202100492 has 36 divisors (see below), whose sum is σ = 409230360. Its totient is φ = 87024960.

The previous prime is 202100491. The next prime is 202100531. The reversal of 202100492 is 294001202.

It is not an unprimeable number, because it can be changed into a prime (202100491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1793 + ... + 20184.

It is an arithmetic number, because the mean of its divisors is an integer number (11367510).

Almost surely, 2^202100492 is an apocalyptic number.

202100492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202100492 is an abundant number, since it is smaller than the sum of its proper divisors (207129868).

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

202100492 is a wasteful number, since it uses less digits than its factorization.

202100492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22022 (or 22009 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 202100492 is about 14216.2052601951. The cubic root of 202100492 is about 586.8437139255.

Adding to 202100492 its reverse (294001202), we get a palindrome (496101694).

The spelling of 202100492 in words is "two hundred two million, one hundred thousand, four hundred ninety-two".