20233230344 has 8 divisors (see below), whose sum is σ = 37937306910. Its totient is φ = 10116615168.

The previous prime is 20233230317. The next prime is 20233230379. The reversal of 20233230344 is 44303233202.

It can be written as a sum of positive squares in only one way, i.e., 12305464900 + 7927765444 = 110930^2 + 89038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20233230344² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1264576889 + ... + 1264576904.

Almost surely, 2^20233230344 is an apocalyptic number.

It is an amenable number.

20233230344 is a deficient number, since it is larger than the sum of its proper divisors (17704076566).

20233230344 is a wasteful number, since it uses less digits than its factorization.

20233230344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529153799 (or 2529153795 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 20233230344 its reverse (44303233202), we get a palindrome (64536463546).

The spelling of 20233230344 in words is "twenty billion, two hundred thirty-three million, two hundred thirty thousand, three hundred forty-four".