20012322210232 has 64 divisors (see below), whose sum is σ = 43089640243200. Its totient is φ = 8617564765440.

The previous prime is 20012322210229. The next prime is 20012322210301. The reversal of 20012322210232 is 23201222321002.

It is a super-2 number, since 2×20012322210232² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

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, 105831753 + ... + 106020679.

It is an arithmetic number, because the mean of its divisors is an integer number (673275628800).

Almost surely, 2^{20012322210232} is an apocalyptic number.

20012322210232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20012322210232 is an abundant number, since it is smaller than the sum of its proper divisors (23077318032968).

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

20012322210232 is a wasteful number, since it uses less digits than its factorization.

20012322210232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252316 (or 252312 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20012322210232 its reverse (23201222321002), we get a palindrome (43213544531234).

The spelling of 20012322210232 in words is "twenty trillion, twelve billion, three hundred twenty-two million, two hundred ten thousand, two hundred thirty-two".