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20120222122210 = 257287431744603
BaseRepresentation
bin1001001001100100110101…
…01100010100000011100010
32122020110210212121002112201
410210302122230110003202
510114122203330402320
6110443034043243414
74144431601136620
oct444623254240342
978213725532481
1020120222122210
116457a35944931
12230b52581956a
13b2c4374cc762
144d7b76ca4510
1524d58e5b570a
hex124c9ab140e2

20120222122210 has 16 divisors (see below), whose sum is σ = 41390171222976. Its totient is φ = 6898361870448.

The previous prime is 20120222122201. The next prime is 20120222122223. The reversal of 20120222122210 is 1222122202102.

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, 143715872232 + ... + 143715872371.

It is an arithmetic number, because the mean of its divisors is an integer number (2586885701436).

Almost surely, 220120222122210 is an apocalyptic number.

20120222122210 is an abundant number, since it is smaller than the sum of its proper divisors (21269949100766).

20120222122210 is a wasteful number, since it uses less digits than its factorization.

20120222122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287431744617.

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

Adding to 20120222122210 its reverse (1222122202102), we get a palindrome (21342344324312).

The spelling of 20120222122210 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 287431744603 574863489206 1437158723015 2012022212221 2874317446030 4024044424442 10060111061105 20120222122210