20233334164 has 12 divisors (see below), whose sum is σ = 35529184404. Its totient is φ = 10082138624.

The previous prime is 20233334129. The next prime is 20233334179. The reversal of 20233334164 is 46143333202.

It can be written as a sum of positive squares in 2 ways, for example, as 19190560900 + 1042773264 = 138530^2 + 32292^2 .

It is a super-2 number, since 2×20233334164² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8630797 + ... + 8633140.

It is an arithmetic number, because the mean of its divisors is an integer number (2960765367).

Almost surely, 2^20233334164 is an apocalyptic number.

It is an amenable number.

20233334164 is a deficient number, since it is larger than the sum of its proper divisors (15295850240).

20233334164 is a wasteful number, since it uses less digits than its factorization.

20233334164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17264234 (or 17264232 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 20233334164 its reverse (46143333202), we get a palindrome (66376667366).

The spelling of 20233334164 in words is "twenty billion, two hundred thirty-three million, three hundred thirty-four thousand, one hundred sixty-four".