200020023 has 40 divisors (see below), whose sum is σ = 343543200. Its totient is φ = 113607360.

The previous prime is 200019997. The next prime is 200020031. The reversal of 200020023 is 320020002.

200020023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200020023 - 2⁸ = 200019767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200019987 and 200020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020033) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 101653 + ... + 103601.

It is an arithmetic number, because the mean of its divisors is an integer number (8588580).

Almost surely, 2^200020023 is an apocalyptic number.

200020023 is a deficient number, since it is larger than the sum of its proper divisors (143523177).

200020023 is a wasteful number, since it uses less digits than its factorization.

200020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 200020023 is about 14142.8435259675. The cubic root of 200020023 is about 584.8230628604.

Adding to 200020023 its reverse (320020002), we get a palindrome (520040025).

The spelling of 200020023 in words is "two hundred million, twenty thousand, twenty-three".