20562507448 has 16 divisors (see below), whose sum is σ = 44062516080. Its totient is φ = 8812503168.

The previous prime is 20562507373. The next prime is 20562507463. The reversal of 20562507448 is 84470526502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183593761 + ... + 183593872.

It is an arithmetic number, because the mean of its divisors is an integer number (2753907255).

Almost surely, 2^20562507448 is an apocalyptic number.

20562507448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20562507448 is an abundant number, since it is smaller than the sum of its proper divisors (23500008632).

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

20562507448 is a wasteful number, since it uses less digits than its factorization.

20562507448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367187646 (or 367187642 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 20562507448 in words is "twenty billion, five hundred sixty-two million, five hundred seven thousand, four hundred forty-eight".