20962757760 has 512 divisors, whose sum is σ = 81265766400. Its totient is φ = 4489592832.

The previous prime is 20962757737. The next prime is 20962757789. The reversal of 20962757760 is 6775726902.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26301682 + ... + 26302478.

It is an arithmetic number, because the mean of its divisors is an integer number (158722200).

Almost surely, 2^20962757760 is an apocalyptic number.

20962757760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20962757760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40632883200).

20962757760 is an abundant number, since it is smaller than the sum of its proper divisors (60303008640).

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

20962757760 is a wasteful number, since it uses less digits than its factorization.

20962757760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 51.

The spelling of 20962757760 in words is "twenty billion, nine hundred sixty-two million, seven hundred fifty-seven thousand, seven hundred sixty".