20330032344 has 32 divisors (see below), whose sum is σ = 50830491840. Its totient is φ = 6775956000.

The previous prime is 20330032343. The next prime is 20330032361. The reversal of 20330032344 is 44323003302.

It is a super-2 number, since 2×20330032344² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330032343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215859 + ... + 295389.

It is an arithmetic number, because the mean of its divisors is an integer number (1588452870).

Almost surely, 2^20330032344 is an apocalyptic number.

20330032344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20330032344 is an abundant number, since it is smaller than the sum of its proper divisors (30500459496).

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

20330032344 is a wasteful number, since it uses less digits than its factorization.

20330032344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90191 (or 90187 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20330032344 its reverse (44323003302), we get a palindrome (64653035646).

The spelling of 20330032344 in words is "twenty billion, three hundred thirty million, thirty-two thousand, three hundred forty-four".