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20037392004 = 2237312892789
BaseRepresentation
bin10010101010010100…
…100101011010000100
31220201102212222102210
4102222110211122010
5312014033021004
613112142503420
71306355010330
oct225224453204
956642788383
1020037392004
118552649203
123a72594b70
131b7436a396
14d8125a7c0
157c41a5089
hex4aa525684

20037392004 has 144 divisors (see below), whose sum is σ = 55852675200. Its totient is φ = 5476078080.

The previous prime is 20037392003. The next prime is 20037392033. The reversal of 20037392004 is 40029373002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20037392003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7183042 + ... + 7185830.

It is an arithmetic number, because the mean of its divisors is an integer number (387865800).

Almost surely, 220037392004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20037392004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27926337600).

20037392004 is an abundant number, since it is smaller than the sum of its proper divisors (35815283196).

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

20037392004 is a wasteful number, since it uses less digits than its factorization.

20037392004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954 (or 2921 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The spelling of 20037392004 in words is "twenty billion, thirty-seven million, three hundred ninety-two thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 62 84 89 93 124 178 186 217 267 356 372 434 534 623 651 868 961 1068 1246 1302 1869 1922 2492 2604 2759 2789 2883 3738 3844 5518 5578 5766 6727 7476 8277 8367 11036 11156 11532 13454 16554 16734 19313 19523 20181 26908 33108 33468 38626 39046 40362 57939 58569 77252 78092 80724 85529 86459 115878 117138 171058 172918 231756 234276 248221 256587 259377 342116 345836 496442 513174 518754 598703 605213 744663 992884 1026348 1037508 1197406 1210426 1489326 1737547 1796109 1815639 2394812 2420852 2680229 2978652 3475094 3592218 3631278 5212641 5360458 6950188 7184436 7262556 7694851 8040687 10425282 10720916 15389702 16081374 18761603 20850564 23084553 30779404 32162748 37523206 46169106 53863957 56284809 75046412 92338212 107727914 112569618 161591871 215455828 225139236 238540381 323183742 477080762 646367484 715621143 954161524 1431242286 1669782667 2862484572 3339565334 5009348001 6679130668 10018696002 20037392004