250251400020 has 48 divisors (see below), whose sum is σ = 704575243008. Its totient is φ = 66365009280.

The previous prime is 250251399971. The next prime is 250251400033. The reversal of 250251400020 is 20004152052.

It is a happy number.

250251400020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 250251400020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11510844 + ... + 11532563.

It is an arithmetic number, because the mean of its divisors is an integer number (14678650896).

Almost surely, 2^250251400020 is an apocalyptic number.

250251400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250251400020 is an abundant number, since it is smaller than the sum of its proper divisors (454323842988).

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

250251400020 is a wasteful number, since it uses less digits than its factorization.

250251400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23043600 (or 23043598 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 250251400020 its reverse (20004152052), we get a palindrome (270255552072).

The spelling of 250251400020 in words is "two hundred fifty billion, two hundred fifty-one million, four hundred thousand, twenty".