13233332020 has 12 divisors (see below), whose sum is σ = 27789997284. Its totient is φ = 5293332800.

The previous prime is 13233331921. The next prime is 13233332027. The reversal of 13233332020 is 2023333231.

It can be written as a sum of positive squares in 2 ways, for example, as 6775923856 + 6457408164 = 82316^2 + 80358^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13233331982 and 13233332000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233332027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330833281 + ... + 330833320.

It is an arithmetic number, because the mean of its divisors is an integer number (2315833107).

Almost surely, 2^13233332020 is an apocalyptic number.

13233332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13233332020 is an abundant number, since it is smaller than the sum of its proper divisors (14556665264).

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

13233332020 is a wasteful number, since it uses less digits than its factorization.

13233332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661666610 (or 661666608 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 13233332020 its reverse (2023333231), we get a palindrome (15256665251).

The spelling of 13233332020 in words is "thirteen billion, two hundred thirty-three million, three hundred thirty-two thousand, twenty".