20131333222 has 64 divisors (see below), whose sum is σ = 40573177344. Its totient is φ = 7234871040.

The previous prime is 20131333217. The next prime is 20131333267. The reversal of 20131333222 is 22233313102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20131333193 and 20131333202.

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, 3815178 + ... + 3820450.

It is an arithmetic number, because the mean of its divisors is an integer number (633955896).

Almost surely, 2^20131333222 is an apocalyptic number.

20131333222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20131333222 is an abundant number, since it is smaller than the sum of its proper divisors (20441844122).

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

20131333222 is a wasteful number, since it uses less digits than its factorization.

20131333222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20131333222 its reverse (22233313102), we get a palindrome (42364646324).

It can be divided in two parts, 20131 and 333222, that added together give a palindrome (353353).

The spelling of 20131333222 in words is "twenty billion, one hundred thirty-one million, three hundred thirty-three thousand, two hundred twenty-two".