20221344132 has 48 divisors (see below), whose sum is σ = 51502796352. Its totient is φ = 6124074880.

The previous prime is 20221344109. The next prime is 20221344139. The reversal of 20221344132 is 23144312202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20221344139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184558 + ... + 272954.

It is an arithmetic number, because the mean of its divisors is an integer number (1072974924).

Almost surely, 2^20221344132 is an apocalyptic number.

20221344132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20221344132 is an abundant number, since it is smaller than the sum of its proper divisors (31281452220).

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

20221344132 is a wasteful number, since it uses less digits than its factorization.

20221344132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90148 (or 90146 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20221344132 its reverse (23144312202), we get a palindrome (43365656334).

The spelling of 20221344132 in words is "twenty billion, two hundred twenty-one million, three hundred forty-four thousand, one hundred thirty-two".