20880179448 has 32 divisors (see below), whose sum is σ = 52688309760. Its totient is φ = 6895011680.

The previous prime is 20880179417. The next prime is 20880179471. The reversal of 20880179448 is 84497108802.

It is a self number, because there is not a number n which added to its sum of digits gives 20880179448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4062888 + ... + 4068023.

It is an arithmetic number, because the mean of its divisors is an integer number (1646509680).

Almost surely, 2^20880179448 is an apocalyptic number.

It is an amenable number.

20880179448 is an abundant number, since it is smaller than the sum of its proper divisors (31808130312).

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

20880179448 is a wasteful number, since it uses less digits than its factorization.

20880179448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131027 (or 8131023 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 20880179448 in words is "twenty billion, eight hundred eighty million, one hundred seventy-nine thousand, four hundred forty-eight".