20527031275 has 24 divisors (see below), whose sum is σ = 25611557184. Its totient is φ = 16319846400.

The previous prime is 20527031221. The next prime is 20527031359. The reversal of 20527031275 is 57213072502.

It is not a de Polignac number, because 20527031275 - 2¹⁵ = 20526998507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20527031275.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7173345 + ... + 7176205.

It is an arithmetic number, because the mean of its divisors is an integer number (1067148216).

Almost surely, 2^20527031275 is an apocalyptic number.

20527031275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20527031275 is a deficient number, since it is larger than the sum of its proper divisors (5084525909).

20527031275 is a wasteful number, since it uses less digits than its factorization.

20527031275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551 (or 4546 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 20527031275 in words is "twenty billion, five hundred twenty-seven million, thirty-one thousand, two hundred seventy-five".