202021313202 has 24 divisors (see below), whose sum is σ = 439787322000. Its totient is φ = 67021287480.

The previous prime is 202021313189. The next prime is 202021313209. The reversal of 202021313202 is 202313120202.

It is a super-2 number, since 2×202021313202² (a number of 23 digits) contains 22 as substring.

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 (202021313209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26591952 + ... + 26599547.

It is an arithmetic number, because the mean of its divisors is an integer number (18324471750).

Almost surely, 2^202021313202 is an apocalyptic number.

202021313202 is an abundant number, since it is smaller than the sum of its proper divisors (237766008798).

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

202021313202 is a wasteful number, since it uses less digits than its factorization.

202021313202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53191718 (or 53191715 counting only the distinct ones).

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

Adding to 202021313202 its reverse (202313120202), we get a palindrome (404334433404).

The spelling of 202021313202 in words is "two hundred two billion, twenty-one million, three hundred thirteen thousand, two hundred two".