20880680262 has 32 divisors (see below), whose sum is σ = 45035757312. Its totient is φ = 6415969824.

The previous prime is 20880680243. The next prime is 20880680267. The reversal of 20880680262 is 26208608802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20880680267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127408 + ... + 240819.

It is an arithmetic number, because the mean of its divisors is an integer number (1407367416).

Almost surely, 2^20880680262 is an apocalyptic number.

20880680262 is an abundant number, since it is smaller than the sum of its proper divisors (24155077050).

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

20880680262 is a wasteful number, since it uses less digits than its factorization.

20880680262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368972.

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 20880680262 in words is "twenty billion, eight hundred eighty million, six hundred eighty thousand, two hundred sixty-two".