20922559755 has 32 divisors (see below), whose sum is σ = 33791606784. Its totient is φ = 11053800576.

The previous prime is 20922559747. The next prime is 20922559759. The reversal of 20922559755 is 55795522902.

It is not a de Polignac number, because 20922559755 - 2³ = 20922559747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20922559698 and 20922559707.

It is not an unprimeable number, because it can be changed into a prime (20922559759) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1281574 + ... + 1297796.

It is an arithmetic number, because the mean of its divisors is an integer number (1055987712).

Almost surely, 2^20922559755 is an apocalyptic number.

20922559755 is a deficient number, since it is larger than the sum of its proper divisors (12869047029).

20922559755 is a wasteful number, since it uses less digits than its factorization.

20922559755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17035.

The product of its (nonzero) digits is 2835000, while the sum is 51.

The spelling of 20922559755 in words is "twenty billion, nine hundred twenty-two million, five hundred fifty-nine thousand, seven hundred fifty-five".