20424531116 has 96 divisors (see below), whose sum is σ = 41508052992. Its totient is φ = 8702591040.

The previous prime is 20424531091. The next prime is 20424531203. The reversal of 20424531116 is 61113542402.

It is a super-2 number, since 2×20424531116² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15390845 + ... + 15392171.

It is an arithmetic number, because the mean of its divisors is an integer number (432375552).

Almost surely, 2^20424531116 is an apocalyptic number.

It is an amenable number.

20424531116 is an abundant number, since it is smaller than the sum of its proper divisors (21083521876).

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

20424531116 is a wasteful number, since it uses less digits than its factorization.

20424531116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 20424531116 in words is "twenty billion, four hundred twenty-four million, five hundred thirty-one thousand, one hundred sixteen".