20424602016 has 144 divisors (see below), whose sum is σ = 71486198784. Its totient is φ = 5386701312.

The previous prime is 20424601973. The next prime is 20424602063. The reversal of 20424602016 is 61020642402.

20424602016 is a `hidden beast` number, since 2 + 0 + 42 + 4 + 602 + 0 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363456 + ... + 415871.

It is an arithmetic number, because the mean of its divisors is an integer number (496431936).

Almost surely, 2^20424602016 is an apocalyptic number.

20424602016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20424602016 is an abundant number, since it is smaller than the sum of its proper divisors (51061596768).

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

20424602016 is a wasteful number, since it uses less digits than its factorization.

20424602016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779363 (or 779352 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 20424602016 in words is "twenty billion, four hundred twenty-four million, six hundred two thousand, sixteen".