20320013322200 has 48 divisors (see below), whose sum is σ = 47245913545680. Its totient is φ = 8127681445760.

The previous prime is 20320013322197. The next prime is 20320013322209. The reversal of 20320013322200 is 222331002302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320013322209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3038957 + ... + 7062243.

It is an arithmetic number, because the mean of its divisors is an integer number (984289865535).

Almost surely, 2^{20320013322200} is an apocalyptic number.

20320013322200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20320013322200 is an abundant number, since it is smaller than the sum of its proper divisors (26925900223480).

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

20320013322200 is a wasteful number, since it uses less digits than its factorization.

20320013322200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048556 (or 4048547 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20320013322200 its reverse (222331002302), we get a palindrome (20542344324502).

The spelling of 20320013322200 in words is "twenty trillion, three hundred twenty billion, thirteen million, three hundred twenty-two thousand, two hundred".