253620120 has 64 divisors (see below), whose sum is σ = 819393120. Its totient is φ = 62429184.

The previous prime is 253620091. The next prime is 253620179. The reversal of 253620120 is 21026352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79729 + ... + 82848.

Almost surely, 2^253620120 is an apocalyptic number.

253620120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253620120 is an abundant number, since it is smaller than the sum of its proper divisors (565773000).

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

253620120 is a wasteful number, since it uses less digits than its factorization.

253620120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162604 (or 162600 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 253620120 is about 15925.4550955381. The cubic root of 253620120 is about 632.9866751710.

Adding to 253620120 its reverse (21026352), we get a palindrome (274646472).

The spelling of 253620120 in words is "two hundred fifty-three million, six hundred twenty thousand, one hundred twenty".