20101332320 has 24 divisors (see below), whose sum is σ = 47489397984. Its totient is φ = 8040532864.

The previous prime is 20101332319. The next prime is 20101332323. The reversal of 20101332320 is 2323310102.

It is a super-2 number, since 2×20101332320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101332323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62816504 + ... + 62816823.

It is an arithmetic number, because the mean of its divisors is an integer number (1978724916).

Almost surely, 2^20101332320 is an apocalyptic number.

20101332320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101332320 is an abundant number, since it is smaller than the sum of its proper divisors (27388065664).

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

20101332320 is a wasteful number, since it uses less digits than its factorization.

20101332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125633342 (or 125633334 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20101332320 its reverse (2323310102), we get a palindrome (22424642422).

The spelling of 20101332320 in words is "twenty billion, one hundred one million, three hundred thirty-two thousand, three hundred twenty".