22013320120020 has 72 divisors (see below), whose sum is σ = 66907553076000. Its totient is φ = 5858454709440.

The previous prime is 22013320120019. The next prime is 22013320120021. The reversal of 22013320120020 is 2002102331022.

22013320120020 is a `hidden beast` number, since 2 + 201 + 3 + 320 + 120 + 0 + 20 = 666.

22013320120020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (22013320120019) and next prime (22013320120021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22013320119975 and 22013320120002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013320120021) 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, 122451486 + ... + 122631125.

It is an arithmetic number, because the mean of its divisors is an integer number (929271570500).

Almost surely, 2^{22013320120020} is an apocalyptic number.

22013320120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013320120020 is an abundant number, since it is smaller than the sum of its proper divisors (44894232955980).

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

22013320120020 is a wasteful number, since it uses less digits than its factorization.

22013320120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245083125 (or 245083120 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22013320120020 its reverse (2002102331022), we get a palindrome (24015422451042).

The spelling of 22013320120020 in words is "twenty-two trillion, thirteen billion, three hundred twenty million, one hundred twenty thousand, twenty".