8013540120 has 32 divisors (see below), whose sum is σ = 24040620720. Its totient is φ = 2136944000.

The previous prime is 8013540089. The next prime is 8013540131. The reversal of 8013540120 is 210453108.

It is a super-2 number, since 2×8013540120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 33389631 + ... + 33389870.

Almost surely, 2^8013540120 is an apocalyptic number.

It is an amenable number.

8013540120 is an abundant number, since it is smaller than the sum of its proper divisors (16027080600).

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

8013540120 is a wasteful number, since it uses less digits than its factorization.

8013540120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66779515 (or 66779511 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 8013540120 is about 89518.3786716449. The cubic root of 8013540120 is about 2001.1277073519.

Adding to 8013540120 its reverse (210453108), we get a palindrome (8223993228).

The spelling of 8013540120 in words is "eight billion, thirteen million, five hundred forty thousand, one hundred twenty".