253260020 has 36 divisors (see below), whose sum is σ = 575911980. Its totient is φ = 93510144.

The previous prime is 253260013. The next prime is 253260043. The reversal of 253260020 is 20062352.

It is a happy number.

253260020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5071504 + 248188516 = 2252^2 + 15754^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 253259974 and 253260001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34085 + ... + 40844.

It is an arithmetic number, because the mean of its divisors is an integer number (15997555).

Almost surely, 2^253260020 is an apocalyptic number.

253260020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253260020 is an abundant number, since it is smaller than the sum of its proper divisors (322651960).

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

253260020 is a wasteful number, since it uses less digits than its factorization.

253260020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74964 (or 74949 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 253260020 is about 15914.1452802216. The cubic root of 253260020 is about 632.6869533329.

The spelling of 253260020 in words is "two hundred fifty-three million, two hundred sixty thousand, twenty".