20122656755 has 16 divisors (see below), whose sum is σ = 24393995424. Its totient is φ = 15934410240.

The previous prime is 20122656727. The next prime is 20122656779. The reversal of 20122656755 is 55765622102.

It is not a de Polignac number, because 20122656755 - 2¹⁰ = 20122655731 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145115 + ... + 247595.

It is an arithmetic number, because the mean of its divisors is an integer number (1524624714).

Almost surely, 2^20122656755 is an apocalyptic number.

20122656755 is a deficient number, since it is larger than the sum of its proper divisors (4271338669).

20122656755 is a wasteful number, since it uses less digits than its factorization.

20122656755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102886.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 20122656755 in words is "twenty billion, one hundred twenty-two million, six hundred fifty-six thousand, seven hundred fifty-five".