20254547675 has 12 divisors (see below), whose sum is σ = 26437515480. Its totient is φ = 15350814720.

The previous prime is 20254547653. The next prime is 20254547701. The reversal of 20254547675 is 57674545202.

It is not a de Polignac number, because 20254547675 - 2¹² = 20254543579 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21320102 + ... + 21321051.

It is an arithmetic number, because the mean of its divisors is an integer number (2203126290).

Almost surely, 2^20254547675 is an apocalyptic number.

20254547675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20254547675 is a deficient number, since it is larger than the sum of its proper divisors (6182967805).

20254547675 is a wasteful number, since it uses less digits than its factorization.

20254547675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42641182 (or 42641177 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 47.

The spelling of 20254547675 in words is "twenty billion, two hundred fifty-four million, five hundred forty-seven thousand, six hundred seventy-five".