253300660620 has 192 divisors, whose sum is σ = 858675686400. Its totient is φ = 54464053248.

The previous prime is 253300660597. The next prime is 253300660663. The reversal of 253300660620 is 26066003352.

It is a super-2 number, since 2×253300660620² (a number of 24 digits) contains 22 as substring.

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, 16178556 + ... + 16194204.

It is an arithmetic number, because the mean of its divisors is an integer number (4472269200).

Almost surely, 2^253300660620 is an apocalyptic number.

253300660620 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 253300660620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429337843200).

253300660620 is an abundant number, since it is smaller than the sum of its proper divisors (605375025780).

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

253300660620 is a wasteful number, since it uses less digits than its factorization.

253300660620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17952 (or 17950 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 253300660620 its reverse (26066003352), we get a palindrome (279366663972).

The spelling of 253300660620 in words is "two hundred fifty-three billion, three hundred million, six hundred sixty thousand, six hundred twenty".