20257922082 has 32 divisors (see below), whose sum is σ = 41132627712. Its totient is φ = 6649902864.

The previous prime is 20257922077. The next prime is 20257922099. The reversal of 20257922082 is 28022975202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20257922082.

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 15 ways as a sum of consecutive naturals, for example, 2135113 + ... + 2144579.

It is an arithmetic number, because the mean of its divisors is an integer number (1285394616).

Almost surely, 2^20257922082 is an apocalyptic number.

20257922082 is an abundant number, since it is smaller than the sum of its proper divisors (20874705630).

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

20257922082 is a wasteful number, since it uses less digits than its factorization.

20257922082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14862.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 20257922082 in words is "twenty billion, two hundred fifty-seven million, nine hundred twenty-two thousand, eighty-two".