1013253320 has 32 divisors (see below), whose sum is σ = 2280769920. Its totient is φ = 405132480.

The previous prime is 1013253287. The next prime is 1013253331. The reversal of 1013253320 is 233523101.

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 = 1013253292 and 1013253301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144209 + ... + 151071.

It is an arithmetic number, because the mean of its divisors is an integer number (71274060).

Almost surely, 2^1013253320 is an apocalyptic number.

1013253320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013253320 is an abundant number, since it is smaller than the sum of its proper divisors (1267516600).

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

1013253320 is a wasteful number, since it uses less digits than its factorization.

1013253320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565 (or 10561 counting only the distinct ones).

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

The square root of 1013253320 is about 31831.6402342072. The cubic root of 1013253320 is about 1004.3983990554.

Adding to 1013253320 its reverse (233523101), we get a palindrome (1246776421).

The spelling of 1013253320 in words is "one billion, thirteen million, two hundred fifty-three thousand, three hundred twenty".