20132323222 has 16 divisors (see below), whose sum is σ = 32973334992. Its totient is φ = 9142852320.

The previous prime is 20132323207. The next prime is 20132323229. The reversal of 20132323222 is 22232323102.

It is a super-2 number, since 2×20132323222² (a number of 21 digits) contains 22 as substring.

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 = 20132323193 and 20132323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132323229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385053 + ... + 434200.

It is an arithmetic number, because the mean of its divisors is an integer number (2060833437).

Almost surely, 2^20132323222 is an apocalyptic number.

20132323222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20132323222 is a deficient number, since it is larger than the sum of its proper divisors (12841011770).

20132323222 is a wasteful number, since it uses less digits than its factorization.

20132323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820383.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20132323222 its reverse (22232323102), we get a palindrome (42364646324).

The spelling of 20132323222 in words is "twenty billion, one hundred thirty-two million, three hundred twenty-three thousand, two hundred twenty-two".