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20324202240120 = 23351493073702607
BaseRepresentation
bin1001001111100000110001…
…10110101101100001111000
32122221222022121011201101120
410213300120312231201320
510130442431233140440
6111120450513145240
74165242451422132
oct447603066554170
978858277151346
1020324202240120
11652649a34a579
122342b7225b220
13b4574429b78c
145039a7802052
15253a2c183dd0
hex127c18dad878

20324202240120 has 128 divisors (see below), whose sum is σ = 61581776256000. Its totient is φ = 5365875856896.

The previous prime is 20324202240031. The next prime is 20324202240151. The reversal of 20324202240120 is 2104220242302.

It is a super-2 number, since 2×203242022401202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3637857 + ... + 7340463.

It is an arithmetic number, because the mean of its divisors is an integer number (481107627000).

Almost surely, 220324202240120 is an apocalyptic number.

20324202240120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20324202240120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30790888128000).

20324202240120 is an abundant number, since it is smaller than the sum of its proper divisors (41257574015880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20324202240120 is a wasteful number, since it uses less digits than its factorization.

20324202240120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703077 (or 3703073 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20324202240120 its reverse (2104220242302), we get a palindrome (22428422482422).

The spelling of 20324202240120 in words is "twenty trillion, three hundred twenty-four billion, two hundred two million, two hundred forty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 149 298 307 447 596 614 745 894 921 1192 1228 1490 1535 1788 1842 2235 2456 2980 3070 3576 3684 4470 4605 5960 6140 7368 8940 9210 12280 17880 18420 36840 45743 91486 137229 182972 228715 274458 365944 457430 548916 686145 914860 1097832 1372290 1829720 2744580 3702607 5489160 7405214 11107821 14810428 18513035 22215642 29620856 37026070 44431284 55539105 74052140 88862568 111078210 148104280 222156420 444312840 551688443 1103376886 1136700349 1655065329 2206753772 2273400698 2758442215 3310130658 3410101047 4413507544 4546801396 5516884430 5683501745 6620261316 6820202094 8275326645 9093602792 11033768860 11367003490 13240522632 13640404188 16550653290 17050505235 22067537720 22734006980 27280808376 33101306580 34101010470 45468013960 66202613160 68202020940 136404041880 169368352001 338736704002 508105056003 677473408004 846841760005 1016210112006 1354946816008 1693683520010 2032420224012 2540525280015 3387367040020 4064840448024 5081050560030 6774734080040 10162101120060 20324202240120