20884714960 has 20 divisors (see below), whose sum is σ = 48556962468. Its totient is φ = 8353885952.

The previous prime is 20884714943. The next prime is 20884714987. The reversal of 20884714960 is 6941748802.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14916225424 + 5968489536 = 122132^2 + 77256^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130529389 + ... + 130529548.

Almost surely, 2^20884714960 is an apocalyptic number.

20884714960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20884714960 is an abundant number, since it is smaller than the sum of its proper divisors (27672247508).

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

20884714960 is a wasteful number, since it uses less digits than its factorization.

20884714960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261058950 (or 261058944 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 20884714960 in words is "twenty billion, eight hundred eighty-four million, seven hundred fourteen thousand, nine hundred sixty".