15253253220 has 48 divisors (see below), whose sum is σ = 42750707328. Its totient is φ = 4063572480.

The previous prime is 15253253207. The next prime is 15253253251. The reversal of 15253253220 is 2235235251.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 61429 + ... + 185148.

It is an arithmetic number, because the mean of its divisors is an integer number (890639736).

Almost surely, 2^15253253220 is an apocalyptic number.

15253253220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15253253220 is an abundant number, since it is smaller than the sum of its proper divisors (27497454108).

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

15253253220 is a wasteful number, since it uses less digits than its factorization.

15253253220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247620 (or 247618 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 15253253220 its reverse (2235235251), we get a palindrome (17488488471).

The spelling of 15253253220 in words is "fifteen billion, two hundred fifty-three million, two hundred fifty-three thousand, two hundred twenty".