20013233320020 has 96 divisors (see below), whose sum is σ = 56271442147200. Its totient is φ = 5314563878400.

The previous prime is 20013233320007. The next prime is 20013233320033. The reversal of 20013233320020 is 2002333231002.

It is an interprime number because it is at equal distance from previous prime (20013233320007) and next prime (20013233320033).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25921570 + ... + 26682470.

It is an arithmetic number, because the mean of its divisors is an integer number (586160855700).

Almost surely, 2^{20013233320020} is an apocalyptic number.

20013233320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013233320020 is an abundant number, since it is smaller than the sum of its proper divisors (36258208827180).

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

20013233320020 is a wasteful number, since it uses less digits than its factorization.

20013233320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762745 (or 762743 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20013233320020 its reverse (2002333231002), we get a palindrome (22015566551022).

The spelling of 20013233320020 in words is "twenty trillion, thirteen billion, two hundred thirty-three million, three hundred twenty thousand, twenty".