20545127675 has 12 divisors (see below), whose sum is σ = 26097324456. Its totient is φ = 16035220800.

The previous prime is 20545127651. The next prime is 20545127717. The reversal of 20545127675 is 57672154502.

It is not a de Polignac number, because 20545127675 - 2¹² = 20545123579 is a prime.

It is a Duffinian number.

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, 10020989 + ... + 10023038.

It is an arithmetic number, because the mean of its divisors is an integer number (2174777038).

Almost surely, 2^20545127675 is an apocalyptic number.

20545127675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20545127675 is a deficient number, since it is larger than the sum of its proper divisors (5552196781).

20545127675 is a wasteful number, since it uses less digits than its factorization.

20545127675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20044078 (or 20044073 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 20545127675 in words is "twenty billion, five hundred forty-five million, one hundred twenty-seven thousand, six hundred seventy-five".