202023020 has 24 divisors (see below), whose sum is σ = 424645200. Its totient is φ = 80733632.

The previous prime is 202023011. The next prime is 202023043. The reversal of 202023020 is 20320202.

It is a junction number, because it is equal to n+sod(n) for n = 202022992 and 202023010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20471 + ... + 28689.

It is an arithmetic number, because the mean of its divisors is an integer number (17693550).

Almost surely, 2^202023020 is an apocalyptic number.

202023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202023020 is an abundant number, since it is smaller than the sum of its proper divisors (222622180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202023020 is a wasteful number, since it uses less digits than its factorization.

202023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457 (or 9455 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 202023020 is about 14213.4802212548. The cubic root of 202023020 is about 586.7687186162.

Adding to 202023020 its reverse (20320202), we get a palindrome (222343222).

The spelling of 202023020 in words is "two hundred two million, twenty-three thousand, twenty".