20255418022 has 24 divisors (see below), whose sum is σ = 35350973640. Its totient is φ = 8679091680.

The previous prime is 20255417983. The next prime is 20255418037. The reversal of 20255418022 is 22081455202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523354 + ... + 560722.

It is an arithmetic number, because the mean of its divisors is an integer number (1472957235).

Almost surely, 2^20255418022 is an apocalyptic number.

20255418022 is a deficient number, since it is larger than the sum of its proper divisors (15095555618).

20255418022 is a wasteful number, since it uses less digits than its factorization.

20255418022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42916 (or 42909 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 20255418022 in words is "twenty billion, two hundred fifty-five million, four hundred eighteen thousand, twenty-two".