20023300407464 has 16 divisors (see below), whose sum is σ = 37630394248020. Its totient is φ = 9988528608000.

The previous prime is 20023300407433. The next prime is 20023300407469. The reversal of 20023300407464 is 46470400332002.

It can be written as a sum of positive squares in 2 ways, for example, as 18736414359364 + 1286886048100 = 4328558^2 + 1134410^2 .

It is a super-2 number, since 2×20023300407464² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20023300407469) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2890195787 + ... + 2890202714.

Almost surely, 2^{20023300407464} is an apocalyptic number.

It is an amenable number.

20023300407464 is a deficient number, since it is larger than the sum of its proper divisors (17607093840556).

20023300407464 is a wasteful number, since it uses less digits than its factorization.

20023300407464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780398940 (or 5780398936 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 35.

Adding to 20023300407464 its reverse (46470400332002), we get a palindrome (66493700739466).

The spelling of 20023300407464 in words is "twenty trillion, twenty-three billion, three hundred million, four hundred seven thousand, four hundred sixty-four".