20344442021332 has 48 divisors (see below), whose sum is σ = 41861518376832. Its totient is φ = 8529092023680.

The previous prime is 20344442021311. The next prime is 20344442021369. The reversal of 20344442021332 is 23312024444302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13967008 + ... + 15354679.

It is an arithmetic number, because the mean of its divisors is an integer number (872114966184).

Almost surely, 2^{20344442021332} is an apocalyptic number.

20344442021332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20344442021332 is an abundant number, since it is smaller than the sum of its proper divisors (21517076355500).

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

20344442021332 is a wasteful number, since it uses less digits than its factorization.

20344442021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29322928 (or 29322926 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 20344442021332 its reverse (23312024444302), we get a palindrome (43656466465634).

The spelling of 20344442021332 in words is "twenty trillion, three hundred forty-four billion, four hundred forty-two million, twenty-one thousand, three hundred thirty-two".