20480820288 has 28 divisors (see below), whose sum is σ = 54188837520. Its totient is φ = 6826940032.

The previous prime is 20480820253. The next prime is 20480820301. The reversal of 20480820288 is 88202808402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53335278 + ... + 53335661.

Almost surely, 2^20480820288 is an apocalyptic number.

It is an amenable number.

20480820288 is an abundant number, since it is smaller than the sum of its proper divisors (33708017232).

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

20480820288 is a wasteful number, since it uses less digits than its factorization.

20480820288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106670954 (or 106670944 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The spelling of 20480820288 in words is "twenty billion, four hundred eighty million, eight hundred twenty thousand, two hundred eighty-eight".