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20000112110020 = 2257236211214941
BaseRepresentation
bin1001000110000101000111…
…00100111110100111000100
32121210222210012102021200201
410203002203210332213010
510110140212200010040
6110311531421020244
74132650264652150
oct443024344764704
977728705367621
1020000112110020
116410aaa97aa49
1222b01a50b4684
13b210055a7623
144d20210c2060
1524a3aeb2da9a
hex1230a393e9c4

20000112110020 has 48 divisors (see below), whose sum is σ = 50087237292288. Its totient is φ = 6559042976640.

The previous prime is 20000112109973. The next prime is 20000112110029. The reversal of 20000112110020 is 2001121100002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20000112109979 and 20000112110006.

It is not an unprimeable number, because it can be changed into a prime (20000112110029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3105604251 + ... + 3105610690.

It is an arithmetic number, because the mean of its divisors is an integer number (1043484110256).

Almost surely, 220000112110020 is an apocalyptic number.

20000112110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000112110020 is an abundant number, since it is smaller than the sum of its proper divisors (30087125182268).

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

20000112110020 is a wasteful number, since it uses less digits than its factorization.

20000112110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211214980 (or 6211214978 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20000112110020 its reverse (2001121100002), we get a palindrome (22001233210022).

The spelling of 20000112110020 in words is "twenty trillion, one hundred twelve million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 6211214941 12422429882 24844859764 31056074705 43478504587 62112149410 86957009174 124224298820 142857943643 173914018348 217392522935 285715887286 434785045870 571431774572 714289718215 869570091740 1000005605501 1428579436430 2000011211002 2857158872860 4000022422004 5000028027505 10000056055010 20000112110020