202020332023 has 4 divisors (see below), whose sum is σ = 202219760808. Its totient is φ = 201820903240.

The previous prime is 202020331979. The next prime is 202020332027. The reversal of 202020332023 is 320233020202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202020332023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020332027) 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, 99712873 + ... + 99714898.

It is an arithmetic number, because the mean of its divisors is an integer number (50554940202).

Almost surely, 2^202020332023 is an apocalyptic number.

202020332023 is a deficient number, since it is larger than the sum of its proper divisors (199428785).

202020332023 is a wasteful number, since it uses less digits than its factorization.

202020332023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199428784.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 202020332023 its reverse (320233020202), we get a palindrome (522253352225).

The spelling of 202020332023 in words is "two hundred two billion, twenty million, three hundred thirty-two thousand, twenty-three".