20502522336 has 48 divisors (see below), whose sum is σ = 53834457600. Its totient is φ = 6832226688.

The previous prime is 20502522331. The next prime is 20502522373. The reversal of 20502522336 is 63322520502.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20502522331) 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, 330385 + ... + 387503.

It is an arithmetic number, because the mean of its divisors is an integer number (1121551200).

Almost surely, 2^20502522336 is an apocalyptic number.

It is an amenable number.

20502522336 is an abundant number, since it is smaller than the sum of its proper divisors (33331935264).

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

20502522336 is a wasteful number, since it uses less digits than its factorization.

20502522336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60871 (or 60863 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 20502522336 in words is "twenty billion, five hundred two million, five hundred twenty-two thousand, three hundred thirty-six".