252223304020 has 24 divisors (see below), whose sum is σ = 533042632584. Its totient is φ = 100246713216.

The previous prime is 252223303993. The next prime is 252223304033. The reversal of 252223304020 is 20403322252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5426974224 + 246796329796 = 73668^2 + 496786^2 .

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, 40159807 + ... + 40166086.

It is an arithmetic number, because the mean of its divisors is an integer number (22210109691).

Almost surely, 2^252223304020 is an apocalyptic number.

252223304020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252223304020 is an abundant number, since it is smaller than the sum of its proper divisors (280819328564).

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

252223304020 is a wasteful number, since it uses less digits than its factorization.

252223304020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80326059 (or 80326057 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 252223304020 its reverse (20403322252), we get a palindrome (272626626272).

The spelling of 252223304020 in words is "two hundred fifty-two billion, two hundred twenty-three million, three hundred four thousand, twenty".