20297424612 has 48 divisors (see below), whose sum is σ = 48171352320. Its totient is φ = 6650431392.

The previous prime is 20297424541. The next prime is 20297424613. The reversal of 20297424612 is 21642479202.

It is not an unprimeable number, because it can be changed into a prime (20297424613) 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, 348439 + ... + 402497.

It is an arithmetic number, because the mean of its divisors is an integer number (1003569840).

Almost surely, 2^20297424612 is an apocalyptic number.

It is an amenable number.

20297424612 is an abundant number, since it is smaller than the sum of its proper divisors (27873927708).

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

20297424612 is a wasteful number, since it uses less digits than its factorization.

20297424612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54600 (or 54598 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 20297424612 in words is "twenty billion, two hundred ninety-seven million, four hundred twenty-four thousand, six hundred twelve".