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20122210110 = 2351947712149
BaseRepresentation
bin10010101111011000…
…001000111100111110
31220221100111012000010
4102233120020330332
5312202241210420
613124412444050
71311434651412
oct225730107476
956840435003
1020122210110
118596510312
123a96a79626
131b88ac6802
14d8c618d42
157cb85b4e0
hex4af608f3e

20122210110 has 192 divisors, whose sum is σ = 53011584000. Its totient is φ = 4872349440.

The previous prime is 20122210109. The next prime is 20122210183. The reversal of 20122210110 is 1101222102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 135048316 + ... + 135048464.

It is an arithmetic number, because the mean of its divisors is an integer number (276102000).

Almost surely, 220122210110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122210110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26505792000).

20122210110 is an abundant number, since it is smaller than the sum of its proper divisors (32889373890).

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

20122210110 is a wasteful number, since it uses less digits than its factorization.

20122210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20122210110 its reverse (1101222102), we get a palindrome (21223432212).

It can be divided in two parts, 2012 and 2210110, that added together give a palindrome (2212122).

The spelling of 20122210110 in words is "twenty billion, one hundred twenty-two million, two hundred ten thousand, one hundred ten".