20424288608 has 48 divisors (see below), whose sum is σ = 41921920656. Its totient is φ = 9786416640.

The previous prime is 20424288607. The next prime is 20424288613. The reversal of 20424288608 is 80688242402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424288601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67103 + ... + 212958.

It is an arithmetic number, because the mean of its divisors is an integer number (873373347).

Almost surely, 2^20424288608 is an apocalyptic number.

It is an amenable number.

20424288608 is an abundant number, since it is smaller than the sum of its proper divisors (21497632048).

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

20424288608 is a wasteful number, since it uses less digits than its factorization.

20424288608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280167 (or 280159 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The spelling of 20424288608 in words is "twenty billion, four hundred twenty-four million, two hundred eighty-eight thousand, six hundred eight".