20424811708 has 48 divisors (see below), whose sum is σ = 43120728000. Its totient is φ = 8451629760.

The previous prime is 20424811681. The next prime is 20424811709. The reversal of 20424811708 is 80711842402.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424811709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216883 + ... + 296458.

It is an arithmetic number, because the mean of its divisors is an integer number (898348500).

Almost surely, 2^20424811708 is an apocalyptic number.

20424811708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20424811708 is an abundant number, since it is smaller than the sum of its proper divisors (22695916292).

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

20424811708 is a wasteful number, since it uses less digits than its factorization.

20424811708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513395 (or 513379 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The spelling of 20424811708 in words is "twenty billion, four hundred twenty-four million, eight hundred eleven thousand, seven hundred eight".