3200021220133 has 4 divisors (see below), whose sum is σ = 3202948962508. Its totient is φ = 3197093477760.

The previous prime is 3200021220061. The next prime is 3200021220167. The reversal of 3200021220133 is 3310221200023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2787570838404 + 412450381729 = 1669602^2 + 642223^2 .

It is a cyclic number.

It is not a de Polignac number, because 3200021220133 - 2²⁹ = 3199484349221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3200021220133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200021220233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463869548 + ... + 1463871733.

It is an arithmetic number, because the mean of its divisors is an integer number (800737240627).

Almost surely, 2^{3200021220133} is an apocalyptic number.

It is an amenable number.

3200021220133 is a deficient number, since it is larger than the sum of its proper divisors (2927742375).

3200021220133 is a wasteful number, since it uses less digits than its factorization.

3200021220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927742374.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 3200021220133 its reverse (3310221200023), we get a palindrome (6510242420156).

The spelling of 3200021220133 in words is "three trillion, two hundred billion, twenty-one million, two hundred twenty thousand, one hundred thirty-three".