20948884902 has 64 divisors (see below), whose sum is σ = 51288145920. Its totient is φ = 6285276000.

The previous prime is 20948884877. The next prime is 20948884919.

20948884902 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114598 + ... + 234585.

It is an arithmetic number, because the mean of its divisors is an integer number (801377280).

Almost surely, 2^20948884902 is an apocalyptic number.

20948884902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20948884902 is an abundant number, since it is smaller than the sum of its proper divisors (30339261018).

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

20948884902 is a wasteful number, since it uses less digits than its factorization.

20948884902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349306 (or 349300 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 20948884902 in words is "twenty billion, nine hundred forty-eight million, eight hundred eighty-four thousand, nine hundred two".