20320022120 has 32 divisors (see below), whose sum is σ = 45724331520. Its totient is φ = 8127247680.

The previous prime is 20320022117. The next prime is 20320022141. The reversal of 20320022120 is 2122002302.

It is a junction number, because it is equal to n+sod(n) for n = 20320022095 and 20320022104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631625 + ... + 663015.

It is an arithmetic number, because the mean of its divisors is an integer number (1428885360).

Almost surely, 2^20320022120 is an apocalyptic number.

20320022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20320022120 is an abundant number, since it is smaller than the sum of its proper divisors (25404309400).

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

20320022120 is a wasteful number, since it uses less digits than its factorization.

20320022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47585 (or 47581 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20320022120 its reverse (2122002302), we get a palindrome (22442024422).

The spelling of 20320022120 in words is "twenty billion, three hundred twenty million, twenty-two thousand, one hundred twenty".