3200023320021 has 56 divisors (see below), whose sum is σ = 5251874828256. Its totient is φ = 1932787513440.

The previous prime is 3200023320017. The next prime is 3200023320071. The reversal of 3200023320021 is 1200233200023.

It is a happy number.

3200023320021 is a `hidden beast` number, since 320 + 0 + 0 + 2 + 3 + 320 + 0 + 21 = 666.

It is not a de Polignac number, because 3200023320021 - 2² = 3200023320017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3200023319976 and 3200023320003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200023320001) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1668586 + ... + 3030548.

It is an arithmetic number, because the mean of its divisors is an integer number (93783479076).

Almost surely, 2^{3200023320021} is an apocalyptic number.

It is an amenable number.

3200023320021 is a deficient number, since it is larger than the sum of its proper divisors (2051851508235).

3200023320021 is a wasteful number, since it uses less digits than its factorization.

3200023320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362285 (or 1362270 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 3200023320021 its reverse (1200233200023), we get a palindrome (4400256520044).

The spelling of 3200023320021 in words is "three trillion, two hundred billion, twenty-three million, three hundred twenty thousand, twenty-one".