20333021320220 has 96 divisors (see below), whose sum is σ = 52724281276800. Its totient is φ = 6561243816960.

The previous prime is 20333021320141. The next prime is 20333021320223. The reversal of 20333021320220 is 2202312033302.

It is a super-3 number, since 3×20333021320220³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333021320223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87059771 + ... + 87293010.

It is an arithmetic number, because the mean of its divisors is an integer number (549211263300).

Almost surely, 2^{20333021320220} is an apocalyptic number.

20333021320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20333021320220 is an abundant number, since it is smaller than the sum of its proper divisors (32391259956580).

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

20333021320220 is a wasteful number, since it uses less digits than its factorization.

20333021320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174352828 (or 174352812 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20333021320220 its reverse (2202312033302), we get a palindrome (22535333353522).

The spelling of 20333021320220 in words is "twenty trillion, three hundred thirty-three billion, twenty-one million, three hundred twenty thousand, two hundred twenty".