20131014040 has 32 divisors (see below), whose sum is σ = 47264122080. Its totient is φ = 7702300672.

The previous prime is 20131014037. The next prime is 20131014061. The reversal of 20131014040 is 4041013102.

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, 10939849 + ... + 10941688.

It is an arithmetic number, because the mean of its divisors is an integer number (1477003815).

Almost surely, 2^20131014040 is an apocalyptic number.

20131014040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131014040 is an abundant number, since it is smaller than the sum of its proper divisors (27133108040).

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

20131014040 is a wasteful number, since it uses less digits than its factorization.

20131014040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21881571 (or 21881567 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20131014040 its reverse (4041013102), we get a palindrome (24172027142).

The spelling of 20131014040 in words is "twenty billion, one hundred thirty-one million, fourteen thousand, forty".