20425712275 has 12 divisors (see below), whose sum is σ = 25578657504. Its totient is φ = 16178780000.

The previous prime is 20425712231. The next prime is 20425712297. The reversal of 20425712275 is 57221752402.

It is not a de Polignac number, because 20425712275 - 2⁹ = 20425711763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4042171 + ... + 4047220.

It is an arithmetic number, because the mean of its divisors is an integer number (2131554792).

Almost surely, 2^20425712275 is an apocalyptic number.

20425712275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20425712275 is a deficient number, since it is larger than the sum of its proper divisors (5152945229).

20425712275 is a wasteful number, since it uses less digits than its factorization.

20425712275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089502 (or 8089497 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 20425712275 in words is "twenty billion, four hundred twenty-five million, seven hundred twelve thousand, two hundred seventy-five".