1113375020 has 12 divisors (see below), whose sum is σ = 2338087584. Its totient is φ = 445350000.

The previous prime is 1113374993. The next prime is 1113375023. The reversal of 1113375020 is 205733111.

It is not an unprimeable number, because it can be changed into a prime (1113375023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27834356 + ... + 27834395.

It is an arithmetic number, because the mean of its divisors is an integer number (194840632).

Almost surely, 2^1113375020 is an apocalyptic number.

1113375020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113375020 is an abundant number, since it is smaller than the sum of its proper divisors (1224712564).

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

1113375020 is a wasteful number, since it uses less digits than its factorization.

1113375020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55668760 (or 55668758 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1113375020 is about 33367.2746864349. The cubic root of 1113375020 is about 1036.4471405569.

The spelling of 1113375020 in words is "one billion, one hundred thirteen million, three hundred seventy-five thousand, twenty".