20132331222 has 32 divisors (see below), whose sum is σ = 41679982080. Its totient is φ = 6475189280.

The previous prime is 20132331173. The next prime is 20132331253. The reversal of 20132331222 is 22213323102.

It is a happy number.

It is a congruent number.

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, 238897 + ... + 311987.

It is an arithmetic number, because the mean of its divisors is an integer number (1302499440).

Almost surely, 2^20132331222 is an apocalyptic number.

20132331222 is an abundant number, since it is smaller than the sum of its proper divisors (21547650858).

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

20132331222 is a wasteful number, since it uses less digits than its factorization.

20132331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74708.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20132331222 its reverse (22213323102), we get a palindrome (42345654324).

The spelling of 20132331222 in words is "twenty billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred twenty-two".