20014074520 has 64 divisors (see below), whose sum is σ = 49148985600. Its totient is φ = 7274359680.

The previous prime is 20014074511. The next prime is 20014074523. The reversal of 20014074520 is 2547041002.

It is a super-2 number, since 2×20014074520² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014074523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1019437 + ... + 1038883.

It is an arithmetic number, because the mean of its divisors is an integer number (767952900).

Almost surely, 2^20014074520 is an apocalyptic number.

20014074520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20014074520 is an abundant number, since it is smaller than the sum of its proper divisors (29134911080).

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

20014074520 is a wasteful number, since it uses less digits than its factorization.

20014074520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21808 (or 21804 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The spelling of 20014074520 in words is "twenty billion, fourteen million, seventy-four thousand, five hundred twenty".