20132211233220 has 48 divisors (see below), whose sum is σ = 56622972618240. Its totient is φ = 5344515265536.

The previous prime is 20132211233177. The next prime is 20132211233231. The reversal of 20132211233220 is 2233211223102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752311405 + ... + 752338164.

It is an arithmetic number, because the mean of its divisors is an integer number (1179645262880).

Almost surely, 2^{20132211233220} is an apocalyptic number.

20132211233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20132211233220 is an abundant number, since it is smaller than the sum of its proper divisors (36490761385020).

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

20132211233220 is a wasteful number, since it uses less digits than its factorization.

20132211233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504649804 (or 1504649802 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20132211233220 its reverse (2233211223102), we get a palindrome (22365422456322).

The spelling of 20132211233220 in words is "twenty trillion, one hundred thirty-two billion, two hundred eleven million, two hundred thirty-three thousand, two hundred twenty".