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20000220112 = 2417593123997
BaseRepresentation
bin10010101000000110…
…110010001111010000
31220121211221110012001
4102220012302033100
5311430024020422
613104334043344
71305424031425
oct225006621720
956554843161
1020000220112
11853366a434
123a62049554
131b69753b92
14d7a341d4c
157c0cb1227
hex4a81b23d0

20000220112 has 40 divisors (see below), whose sum is σ = 41099385096. Its totient is φ = 9395920896.

The previous prime is 20000220073. The next prime is 20000220133. The reversal of 20000220112 is 21102200002.

It can be written as a sum of positive squares in 4 ways, for example, as 3545487936 + 16454732176 = 59544^2 + 128276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99298 + ... + 223294.

Almost surely, 220000220112 is an apocalyptic number.

It is an amenable number.

20000220112 is an abundant number, since it is smaller than the sum of its proper divisors (21099164984).

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

20000220112 is a wasteful number, since it uses less digits than its factorization.

20000220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124615 (or 124609 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20000220112 its reverse (21102200002), we get a palindrome (41102420114).

The spelling of 20000220112 in words is "twenty billion, two hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 34 68 136 272 593 1186 2372 4744 9488 10081 20162 40324 80648 123997 161296 247994 495988 991976 1983952 2107949 4215898 8431796 16863592 33727184 73530221 147060442 294120884 588241768 1176483536 1250013757 2500027514 5000055028 10000110056 20000220112