20253445562 has 32 divisors (see below), whose sum is σ = 34941763584. Its totient is φ = 8624761200.

The previous prime is 20253445559. The next prime is 20253445579. The reversal of 20253445562 is 26554435202.

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, 2646113 + ... + 2653755.

It is an arithmetic number, because the mean of its divisors is an integer number (1091930112).

Almost surely, 2^20253445562 is an apocalyptic number.

20253445562 is a deficient number, since it is larger than the sum of its proper divisors (14688318022).

20253445562 is a wasteful number, since it uses less digits than its factorization.

20253445562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 20253445562 in words is "twenty billion, two hundred fifty-three million, four hundred forty-five thousand, five hundred sixty-two".