20553031571883 has 8 divisors (see below), whose sum is σ = 27404167457088. Its totient is φ = 13701958367304.

The previous prime is 20553031571803. The next prime is 20553031571903. The reversal of 20553031571883 is 38817513035502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20553031571883 - 2²² = 20553027377579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20553031571803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14899641 + ... + 16220522.

It is an arithmetic number, because the mean of its divisors is an integer number (3425520932136).

Almost surely, 2^{20553031571883} is an apocalyptic number.

20553031571883 is a deficient number, since it is larger than the sum of its proper divisors (6851135885205).

20553031571883 is a wasteful number, since it uses less digits than its factorization.

20553031571883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31340313.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 20553031571883 in words is "twenty trillion, five hundred fifty-three billion, thirty-one million, five hundred seventy-one thousand, eight hundred eighty-three".