20257245374124 has 192 divisors, whose sum is σ = 53876503296000. Its totient is φ = 5867582837760.

The previous prime is 20257245374099. The next prime is 20257245374131. The reversal of 20257245374124 is 42147354275202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 512782957 + ... + 512822459.

It is an arithmetic number, because the mean of its divisors is an integer number (280606788000).

Almost surely, 2^{20257245374124} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20257245374124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26938251648000).

20257245374124 is an abundant number, since it is smaller than the sum of its proper divisors (33619257921876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20257245374124 is a wasteful number, since it uses less digits than its factorization.

20257245374124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40888 (or 40886 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 48.

The spelling of 20257245374124 in words is "twenty trillion, two hundred fifty-seven billion, two hundred forty-five million, three hundred seventy-four thousand, one hundred twenty-four".