202201240 has 32 divisors (see below), whose sum is σ = 461191680. Its totient is φ = 79771392.

The previous prime is 202201199. The next prime is 202201261. The reversal of 202201240 is 42102202.

It is a self number, because there is not a number n which added to its sum of digits gives 202201240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31704 + ... + 37543.

It is an arithmetic number, because the mean of its divisors is an integer number (14412240).

Almost surely, 2^202201240 is an apocalyptic number.

202201240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202201240 is an abundant number, since it is smaller than the sum of its proper divisors (258990440).

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

202201240 is a wasteful number, since it uses less digits than its factorization.

202201240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69331 (or 69327 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 202201240 is about 14219.7482396841. The cubic root of 202201240 is about 586.9412124657.

Adding to 202201240 its reverse (42102202), we get a palindrome (244303442).

The spelling of 202201240 in words is "two hundred two million, two hundred one thousand, two hundred forty".