20120013322320 has 40 divisors (see below), whose sum is σ = 62372041299936. Its totient is φ = 5365336885888.

The previous prime is 20120013322303. The next prime is 20120013322369. The reversal of 20120013322320 is 2322331002102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×20120013322320³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41916694182 + ... + 41916694661.

Almost surely, 2^{20120013322320} is an apocalyptic number.

20120013322320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120013322320 is an abundant number, since it is smaller than the sum of its proper divisors (42252027977616).

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

20120013322320 is a wasteful number, since it uses less digits than its factorization.

20120013322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83833388859 (or 83833388853 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20120013322320 its reverse (2322331002102), we get a palindrome (22442344324422).

The spelling of 20120013322320 in words is "twenty trillion, one hundred twenty billion, thirteen million, three hundred twenty-two thousand, three hundred twenty".