20267195275 has 6 divisors (see below), whose sum is σ = 25131322172. Its totient is φ = 16213756200.

The previous prime is 20267195261. The next prime is 20267195281. The reversal of 20267195275 is 57259176202.

It is not a de Polignac number, because 20267195275 - 2⁵ = 20267195243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 405343881 + ... + 405343930.

Almost surely, 2^20267195275 is an apocalyptic number.

20267195275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20267195275 is a deficient number, since it is larger than the sum of its proper divisors (4864126897).

20267195275 is an equidigital number, since it uses as much as digits as its factorization.

20267195275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810687821 (or 810687816 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 20267195275 in words is "twenty billion, two hundred sixty-seven million, one hundred ninety-five thousand, two hundred seventy-five".