252305004420 has 72 divisors (see below), whose sum is σ = 874657353024. Its totient is φ = 57669715008.

The previous prime is 252305004389. The next prime is 252305004437. The reversal of 252305004420 is 24400503252.

It is a happy number.

252305004420 is a `hidden beast` number, since 2 + 5 + 230 + 5 + 0 + 0 + 4 + 420 = 666.

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, 100119774 + ... + 100122293.

It is an arithmetic number, because the mean of its divisors is an integer number (12148018792).

Almost surely, 2^252305004420 is an apocalyptic number.

252305004420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252305004420 is an abundant number, since it is smaller than the sum of its proper divisors (622352348604).

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

252305004420 is a wasteful number, since it uses less digits than its factorization.

252305004420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200242089 (or 200242084 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 252305004420 its reverse (24400503252), we get a palindrome (276705507672).

The spelling of 252305004420 in words is "two hundred fifty-two billion, three hundred five million, four thousand, four hundred twenty".