202321230020 has 96 divisors (see below), whose sum is σ = 526131449088. Its totient is φ = 63638410752.

The previous prime is 202321229993. The next prime is 202321230043. The reversal of 202321230020 is 20032123202.

202321230020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44339 + ... + 637658.

It is an arithmetic number, because the mean of its divisors is an integer number (5480535928).

Almost surely, 2^202321230020 is an apocalyptic number.

202321230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202321230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263065724544).

202321230020 is an abundant number, since it is smaller than the sum of its proper divisors (323810219068).

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

202321230020 is a wasteful number, since it uses less digits than its factorization.

202321230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682189 (or 682187 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 202321230020 its reverse (20032123202), we get a palindrome (222353353222).

The spelling of 202321230020 in words is "two hundred two billion, three hundred twenty-one million, two hundred thirty thousand, twenty".