625334113220 has 24 divisors (see below), whose sum is σ = 1316921770584. Its totient is φ = 249425048576.

The previous prime is 625334113189. The next prime is 625334113247. The reversal of 625334113220 is 22311433526.

It can be written as a sum of positive squares in 4 ways, for example, as 42130025536 + 583204087684 = 205256^2 + 763678^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44280059 + ... + 44294178.

It is an arithmetic number, because the mean of its divisors is an integer number (54871740441).

Almost surely, 2^625334113220 is an apocalyptic number.

It is an amenable number.

625334113220 is an abundant number, since it is smaller than the sum of its proper divisors (691587657364).

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

625334113220 is a wasteful number, since it uses less digits than its factorization.

625334113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88574599 (or 88574597 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 625334113220 its reverse (22311433526), we get a palindrome (647645546746).

The spelling of 625334113220 in words is "six hundred twenty-five billion, three hundred thirty-four million, one hundred thirteen thousand, two hundred twenty".