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20120222112202 = 2199312451405407
BaseRepresentation
bin1001001001100100110101…
…01100010001100111001010
32122020110210212120120211001
410210302122230101213022
510114122203330042302
6110443034043125214
74144431601065502
oct444623254214712
978213725516731
1020120222112202
116457a35938363
12230b52581380a
13b2c4374c8034
144d7b76ca0a02
1524d58e5b2787
hex124c9ab119ca

20120222112202 has 16 divisors (see below), whose sum is σ = 30197975968512. Its totient is φ = 10054230962400.

The previous prime is 20120222112119. The next prime is 20120222112259. The reversal of 20120222112202 is 20221122202102.

It is a self number, because there is not a number n which added to its sum of digits gives 20120222112202.

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, 49426983 + ... + 49832389.

It is an arithmetic number, because the mean of its divisors is an integer number (1887373498032).

Almost surely, 220120222112202 is an apocalyptic number.

20120222112202 is a deficient number, since it is larger than the sum of its proper divisors (10077753856310).

20120222112202 is a wasteful number, since it uses less digits than its factorization.

20120222112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419853.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20120222112202 its reverse (20221122202102), we get a palindrome (40341344314304).

The spelling of 20120222112202 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 1993 3986 12451 24902 405407 810814 24814843 49629686 807976151 1615952302 5047722557 10095445114 10060111056101 20120222112202