202131223002 has 48 divisors (see below), whose sum is σ = 439699341120. Its totient is φ = 67108637376.

The previous prime is 202131223001. The next prime is 202131223009. The reversal of 202131223002 is 200322131202.

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

It is not an unprimeable number, because it can be changed into a prime (202131223001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4562574 + ... + 4606662.

It is an arithmetic number, because the mean of its divisors is an integer number (9160402940).

Almost surely, 2^202131223002 is an apocalyptic number.

202131223002 is an abundant number, since it is smaller than the sum of its proper divisors (237568118118).

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

202131223002 is a wasteful number, since it uses less digits than its factorization.

202131223002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45107 (or 45104 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202131223002 its reverse (200322131202), we get a palindrome (402453354204).

The spelling of 202131223002 in words is "two hundred two billion, one hundred thirty-one million, two hundred twenty-three thousand, two".