1013332520 has 16 divisors (see below), whose sum is σ = 2279998260. Its totient is φ = 405332992.

The previous prime is 1013332517. The next prime is 1013332531. The reversal of 1013332520 is 252333101.

It can be written as a sum of positive squares in 2 ways, for example, as 1012894276 + 438244 = 31826^2 + 662^2 .

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 = 1013332492 and 1013332501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12666617 + ... + 12666696.

Almost surely, 2^1013332520 is an apocalyptic number.

1013332520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013332520 is an abundant number, since it is smaller than the sum of its proper divisors (1266665740).

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

1013332520 is a wasteful number, since it uses less digits than its factorization.

1013332520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25333324 (or 25333320 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1013332520 is about 31832.8842551221. The cubic root of 1013332520 is about 1004.4245676614.

Adding to 1013332520 its reverse (252333101), we get a palindrome (1265665621).

The spelling of 1013332520 in words is "one billion, thirteen million, three hundred thirty-two thousand, five hundred twenty".