20322331120 has 120 divisors (see below), whose sum is σ = 58472927136. Its totient is φ = 6431652864.

The previous prime is 20322331069. The next prime is 20322331121. The reversal of 20322331120 is 2113322302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322331121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12727 + ... + 202006.

Almost surely, 2^20322331120 is an apocalyptic number.

20322331120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20322331120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29236463568).

20322331120 is an abundant number, since it is smaller than the sum of its proper divisors (38150596016).

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

20322331120 is a wasteful number, since it uses less digits than its factorization.

20322331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214779 (or 214760 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20322331120 its reverse (2113322302), we get a palindrome (22435653422).

The spelling of 20322331120 in words is "twenty billion, three hundred twenty-two million, three hundred thirty-one thousand, one hundred twenty".