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24012100020 = 2235642162327
BaseRepresentation
bin10110010111001110…
…111001000110110100
32021222110000001210210
4112113032321012310
5343134044200040
615010410345420
71510020324336
oct262716710664
967873001723
1024012100020
11a202228167
1247a172b270
132358974a0c
14123b0a9456
159580d1480
hex5973b91b4

24012100020 has 48 divisors (see below), whose sum is σ = 67245429888. Its totient is φ = 6402126720.

The previous prime is 24012099997. The next prime is 24012100061. The reversal of 24012100020 is 2000121042.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 24012099969 and 24012100005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354097 + ... + 416423.

It is an arithmetic number, because the mean of its divisors is an integer number (1400946456).

Almost surely, 224012100020 is an apocalyptic number.

24012100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24012100020 is an abundant number, since it is smaller than the sum of its proper divisors (43233329868).

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

24012100020 is a wasteful number, since it uses less digits than its factorization.

24012100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68760 (or 68758 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 24012100020 its reverse (2000121042), we get a palindrome (26012221062).

The spelling of 24012100020 in words is "twenty-four billion, twelve million, one hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 6421 12842 19263 25684 32105 38526 62327 64210 77052 96315 124654 128420 186981 192630 249308 311635 373962 385260 623270 747924 934905 1246540 1869810 3739620 400201667 800403334 1200605001 1600806668 2001008335 2401210002 4002016670 4802420004 6003025005 8004033340 12006050010 24012100020