20113033133220 has 48 divisors (see below), whose sum is σ = 56316863258880. Its totient is φ = 5363440217856.

The previous prime is 20113033133177. The next prime is 20113033133231. The reversal of 20113033133220 is 2233133031102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8833824 + ... + 10874856.

It is an arithmetic number, because the mean of its divisors is an integer number (1173267984560).

Almost surely, 2^{20113033133220} is an apocalyptic number.

20113033133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113033133220 is an abundant number, since it is smaller than the sum of its proper divisors (36203830125660).

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

20113033133220 is a wasteful number, since it uses less digits than its factorization.

20113033133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205284 (or 2205282 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20113033133220 its reverse (2233133031102), we get a palindrome (22346166164322).

The spelling of 20113033133220 in words is "twenty trillion, one hundred thirteen billion, thirty-three million, one hundred thirty-three thousand, two hundred twenty".