20959063180 has 24 divisors (see below), whose sum is σ = 48015308880. Its totient is φ = 7621477440.

The previous prime is 20959063171. The next prime is 20959063187. The reversal of 20959063180 is 8136095902.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20959063187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47634015 + ... + 47634454.

It is an arithmetic number, because the mean of its divisors is an integer number (2000637870).

Almost surely, 2^20959063180 is an apocalyptic number.

20959063180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20959063180 is an abundant number, since it is smaller than the sum of its proper divisors (27056245700).

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

20959063180 is a wasteful number, since it uses less digits than its factorization.

20959063180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95268489 (or 95268487 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 20959063180 in words is "twenty billion, nine hundred fifty-nine million, sixty-three thousand, one hundred eighty".