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20100000202000 = 245313972302159
BaseRepresentation
bin1001001000111111001010…
…10111110011110100010000
32122011112121120111002222221
410210133211113303310100
510113304300022431000
6110425451305310424
74143114512511205
oct444374527636420
978145546432887
1020100000202000
11644a3a9120984
122307621495414
13b2a563b643b4
144d6bb9331cac
1524cca911061a
hex1247e55f3d10

20100000202000 has 80 divisors (see below), whose sum is σ = 48951454406400. Its totient is φ = 7982158243200.

The previous prime is 20100000201997. The next prime is 20100000202019. The reversal of 20100000202000 is 20200000102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35873080 + ... + 36429079.

It is an arithmetic number, because the mean of its divisors is an integer number (611893180080).

Almost surely, 220100000202000 is an apocalyptic number.

20100000202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100000202000 is an abundant number, since it is smaller than the sum of its proper divisors (28851454204400).

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

20100000202000 is a wasteful number, since it uses less digits than its factorization.

20100000202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72302321 (or 72302305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20100000202000 its reverse (20200000102), we get a palindrome (20120200202102).

The spelling of 20100000202000 in words is "twenty trillion, one hundred billion, two hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 139 200 250 278 400 500 556 695 1000 1112 1390 2000 2224 2780 3475 5560 6950 11120 13900 17375 27800 34750 55600 69500 139000 278000 72302159 144604318 289208636 361510795 578417272 723021590 1156834544 1446043180 1807553975 2892086360 3615107950 5784172720 7230215900 9037769875 10050000101 14460431800 18075539750 20100000202 28920863600 36151079500 40200000404 50250000505 72302159000 80400000808 100500001010 144604318000 160800001616 201000002020 251250002525 402000004040 502500005050 804000008080 1005000010100 1256250012625 2010000020200 2512500025250 4020000040400 5025000050500 10050000101000 20100000202000