22000120032 has 96 divisors (see below), whose sum is σ = 63228622464. Its totient is φ = 6642547200.

The previous prime is 22000120027. The next prime is 22000120039. The reversal of 22000120032 is 23002100022.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-4 number, since 4×22000120032⁴ (a number of 42 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000120039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254907 + ... + 330117.

It is an arithmetic number, because the mean of its divisors is an integer number (658631484).

Almost surely, 2^22000120032 is an apocalyptic number.

22000120032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000120032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31614311232).

22000120032 is an abundant number, since it is smaller than the sum of its proper divisors (41228502432).

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

22000120032 is a wasteful number, since it uses less digits than its factorization.

22000120032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75512 (or 75504 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 22000120032 its reverse (23002100022), we get a palindrome (45002220054).

The spelling of 22000120032 in words is "twenty-two billion, one hundred twenty thousand, thirty-two".