1513102020 has 48 divisors (see below), whose sum is σ = 4326835968. Its totient is φ = 394908160.

The previous prime is 1513102009. The next prime is 1513102039. The reversal of 1513102020 is 202013151.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 265461 + ... + 271100.

It is an arithmetic number, because the mean of its divisors is an integer number (90142416).

Almost surely, 2^1513102020 is an apocalyptic number.

1513102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513102020 is an abundant number, since it is smaller than the sum of its proper divisors (2813733948).

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

1513102020 is a wasteful number, since it uses less digits than its factorization.

1513102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536620 (or 536618 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1513102020 is about 38898.6120575015. The cubic root of 1513102020 is about 1148.0374896198.

Adding to 1513102020 its reverse (202013151), we get a palindrome (1715115171).

The spelling of 1513102020 in words is "one billion, five hundred thirteen million, one hundred two thousand, twenty".