202320023020 has 24 divisors (see below), whose sum is σ = 443344747104. Its totient is φ = 77409399936.

The previous prime is 202320023011. The next prime is 202320023023. The reversal of 202320023020 is 20320023202.

It is a junction number, because it is equal to n+sod(n) for n = 202320022985 and 202320023003.

It is not an unprimeable number, because it can be changed into a prime (202320023023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219912609 + ... + 219913528.

It is an arithmetic number, because the mean of its divisors is an integer number (18472697796).

Almost surely, 2^202320023020 is an apocalyptic number.

202320023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202320023020 is an abundant number, since it is smaller than the sum of its proper divisors (241024724084).

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

202320023020 is a wasteful number, since it uses less digits than its factorization.

202320023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439826169 (or 439826167 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 202320023020 its reverse (20320023202), we get a palindrome (222640046222).

The spelling of 202320023020 in words is "two hundred two billion, three hundred twenty million, twenty-three thousand, twenty".