252204310520 has 256 divisors, whose sum is σ = 632376115200. Its totient is φ = 90139392000.

The previous prime is 252204310507. The next prime is 252204310531. The reversal of 252204310520 is 25013402252.

It is a self number, because there is not a number n which added to its sum of digits gives 252204310520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 466181450 + ... + 466181990.

It is an arithmetic number, because the mean of its divisors is an integer number (2470219200).

Almost surely, 2^252204310520 is an apocalyptic number.

252204310520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252204310520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316188057600).

252204310520 is an abundant number, since it is smaller than the sum of its proper divisors (380171804680).

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

252204310520 is a wasteful number, since it uses less digits than its factorization.

252204310520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 252204310520 its reverse (25013402252), we get a palindrome (277217712772).

The spelling of 252204310520 in words is "two hundred fifty-two billion, two hundred four million, three hundred ten thousand, five hundred twenty".