20767475274225 has 48 divisors (see below), whose sum is σ = 35957754782592. Its totient is φ = 10556174914560.

The previous prime is 20767475274211. The next prime is 20767475274233. The reversal of 20767475274225 is 52247257476702.

It is not a de Polignac number, because 20767475274225 - 2⁵ = 20767475274193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21253432 + ... + 22209081.

It is an arithmetic number, because the mean of its divisors is an integer number (749119891304).

Almost surely, 2^{20767475274225} is an apocalyptic number.

20767475274225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20767475274225 is a deficient number, since it is larger than the sum of its proper divisors (15190279508367).

20767475274225 is a wasteful number, since it uses less digits than its factorization.

20767475274225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43462826 (or 43462821 counting only the distinct ones).

The product of its (nonzero) digits is 92198400, while the sum is 60.

The spelling of 20767475274225 in words is "twenty trillion, seven hundred sixty-seven billion, four hundred seventy-five million, two hundred seventy-four thousand, two hundred twenty-five".