20374632466225 has 12 divisors (see below), whose sum is σ = 25264761536716. Its totient is φ = 16299565793280.

The previous prime is 20374632466171. The next prime is 20374632466267. The reversal of 20374632466225 is 52266423647302.

It can be written as a sum of positive squares in 6 ways, for example, as 408462870321 + 19966169595904 = 639111^2 + 4468352^2 .

It is not a de Polignac number, because 20374632466225 - 2²⁷ = 20374498248497 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 (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488532 + ... + 6402181.

Almost surely, 2^{20374632466225} is an apocalyptic number.

20374632466225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20374632466225 is a deficient number, since it is larger than the sum of its proper divisors (4890129070491).

20374632466225 is a wasteful number, since it uses less digits than its factorization.

20374632466225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008996 (or 7008991 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 52.

The spelling of 20374632466225 in words is "twenty trillion, three hundred seventy-four billion, six hundred thirty-two million, four hundred sixty-six thousand, two hundred twenty-five".