20251145976 has 32 divisors (see below), whose sum is σ = 50636931840. Its totient is φ = 6749173088.

The previous prime is 20251145951. The next prime is 20251146001. The reversal of 20251145976 is 67954115202.

It is an interprime number because it is at equal distance from previous prime (20251145951) and next prime (20251146001).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66715 + ... + 212021.

It is an arithmetic number, because the mean of its divisors is an integer number (1582404120).

Almost surely, 2^20251145976 is an apocalyptic number.

It is an amenable number.

20251145976 is an abundant number, since it is smaller than the sum of its proper divisors (30385785864).

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

20251145976 is a wasteful number, since it uses less digits than its factorization.

20251145976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151123 (or 151119 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 20251145976 in words is "twenty billion, two hundred fifty-one million, one hundred forty-five thousand, nine hundred seventy-six".