202120244 has 12 divisors (see below), whose sum is σ = 358692768. Its totient is φ = 99636600.

The previous prime is 202120187. The next prime is 202120249. The reversal of 202120244 is 442021202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355562 + ... + 356129.

It is an arithmetic number, because the mean of its divisors is an integer number (29891064).

Almost surely, 2^202120244 is an apocalyptic number.

It is an amenable number.

202120244 is a deficient number, since it is larger than the sum of its proper divisors (156572524).

202120244 is a wasteful number, since it uses less digits than its factorization.

202120244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711766 (or 711764 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 202120244 is about 14216.8999433772. The cubic root of 202120244 is about 586.8628314106.

Adding to 202120244 its reverse (442021202), we get a palindrome (644141446).

The spelling of 202120244 in words is "two hundred two million, one hundred twenty thousand, two hundred forty-four".