202321020222 has 24 divisors (see below), whose sum is σ = 438394287240. Its totient is φ = 67435405200.

The previous prime is 202321020217. The next prime is 202321020233. The reversal of 202321020222 is 222020123202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202321020195 and 202321020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154072 + ... + 654507.

It is an arithmetic number, because the mean of its divisors is an integer number (18266428635).

Almost surely, 2^202321020222 is an apocalyptic number.

202321020222 is an abundant number, since it is smaller than the sum of its proper divisors (236073267018).

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

202321020222 is a wasteful number, since it uses less digits than its factorization.

202321020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822488 (or 822485 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 202321020222 its reverse (222020123202), we get a palindrome (424341143424).

The spelling of 202321020222 in words is "two hundred two billion, three hundred twenty-one million, twenty thousand, two hundred twenty-two".