20460775531425 has 24 divisors (see below), whose sum is σ = 33829021902240. Its totient is φ = 10912239523200.

The previous prime is 20460775531411. The next prime is 20460775531451. The reversal of 20460775531425 is 52413557706402.

It is not a de Polignac number, because 20460775531425 - 2⁵ = 20460775531393 is a prime.

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, 2626461 + ... + 6915189.

It is an arithmetic number, because the mean of its divisors is an integer number (1409542579260).

Almost surely, 2^{20460775531425} is an apocalyptic number.

20460775531425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20460775531425 is a deficient number, since it is larger than the sum of its proper divisors (13368246370815).

20460775531425 is a wasteful number, since it uses less digits than its factorization.

20460775531425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352353 (or 4352348 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 51.

The spelling of 20460775531425 in words is "twenty trillion, four hundred sixty billion, seven hundred seventy-five million, five hundred thirty-one thousand, four hundred twenty-five".