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20233111230420 = 223511127241387631
BaseRepresentation
bin1001001100110111000110…
…11010000101011111010100
32122122021012022100222022120
410212123203122011133110
510122444402433333140
6111010544000455540
74155536233545234
oct446334332053724
978567168328276
1020233111230420
1164a08a58a4780
12232939001a5b0
13b39c8842593a
144dd405a65cc4
1525149a14a1d0
hex1266e36857d4

20233111230420 has 96 divisors (see below), whose sum is σ = 62289595662336. Its totient is φ = 4866374620800.

The previous prime is 20233111230403. The next prime is 20233111230427. The reversal of 20233111230420 is 2403211133202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233111230427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120609996 + ... + 120777635.

It is an arithmetic number, because the mean of its divisors is an integer number (648849954816).

Almost surely, 220233111230420 is an apocalyptic number.

20233111230420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233111230420 is an abundant number, since it is smaller than the sum of its proper divisors (42056484431916).

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

20233111230420 is a wasteful number, since it uses less digits than its factorization.

20233111230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241387781 (or 241387779 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20233111230420 its reverse (2403211133202), we get a palindrome (22636322363622).

The spelling of 20233111230420 in words is "twenty trillion, two hundred thirty-three billion, one hundred eleven million, two hundred thirty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 127 132 165 220 254 330 381 508 635 660 762 1270 1397 1524 1905 2540 2794 3810 4191 5588 6985 7620 8382 13970 16764 20955 27940 41910 83820 241387631 482775262 724162893 965550524 1206938155 1448325786 2413876310 2655263941 2896651572 3620814465 4827752620 5310527882 7241628930 7965791823 10621055764 13276319705 14483257860 15931583646 26552639410 30656229137 31863167292 39828959115 53105278820 61312458274 79657918230 91968687411 122624916548 153281145685 159315836460 183937374822 306562291370 337218520507 367874749644 459843437055 613124582740 674437041014 919686874110 1011655561521 1348874082028 1686092602535 1839373748220 2023311123042 3372185205070 4046622246084 5058277807605 6744370410140 10116555615210 20233111230420