20233032321 has 16 divisors (see below), whose sum is σ = 27353364480. Its totient is φ = 13301791440.

The previous prime is 20233032299. The next prime is 20233032343. The reversal of 20233032321 is 12323033202.

It is an interprime number because it is at equal distance from previous prime (20233032299) and next prime (20233032343).

It is not a de Polignac number, because 20233032321 - 2⁵ = 20233032289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20233432321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63135 + ... + 210836.

It is an arithmetic number, because the mean of its divisors is an integer number (1709585280).

Almost surely, 2^20233032321 is an apocalyptic number.

It is an amenable number.

20233032321 is a deficient number, since it is larger than the sum of its proper divisors (7120332159).

20233032321 is a wasteful number, since it uses less digits than its factorization.

20233032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274316.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20233032321 its reverse (12323033202), we get a palindrome (32556065523).

The spelling of 20233032321 in words is "twenty billion, two hundred thirty-three million, thirty-two thousand, three hundred twenty-one".