20232233635664 has 40 divisors (see below), whose sum is σ = 40557230157000. Its totient is φ = 9765947229696.

The previous prime is 20232233635657. The next prime is 20232233635711. The reversal of 20232233635664 is 46653633223202.

It can be written as a sum of positive squares in 4 ways, for example, as 1333285902400 + 18898947733264 = 1154680^2 + 4347292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408482 + ... + 6374270.

It is an arithmetic number, because the mean of its divisors is an integer number (1013930753925).

Almost surely, 2^{20232233635664} is an apocalyptic number.

It is an amenable number.

20232233635664 is an abundant number, since it is smaller than the sum of its proper divisors (20324996521336).

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

20232233635664 is a wasteful number, since it uses less digits than its factorization.

20232233635664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973135 (or 5973129 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 47.

Adding to 20232233635664 its reverse (46653633223202), we get a palindrome (66885866858866).

The spelling of 20232233635664 in words is "twenty trillion, two hundred thirty-two billion, two hundred thirty-three million, six hundred thirty-five thousand, six hundred sixty-four".