202200120 has 48 divisors (see below), whose sum is σ = 657151560. Its totient is φ = 53919936.

The previous prime is 202200113. The next prime is 202200127. The reversal of 202200120 is 21002202.

It is an interprime number because it is at equal distance from previous prime (202200113) and next prime (202200127).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202200127) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 280474 + ... + 281193.

Almost surely, 2^202200120 is an apocalyptic number.

202200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202200120 is an abundant number, since it is smaller than the sum of its proper divisors (454951440).

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

202200120 is a wasteful number, since it uses less digits than its factorization.

202200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561684 (or 561677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 202200120 is about 14219.7088577791. The cubic root of 202200120 is about 586.9401287674.

Adding to 202200120 its reverse (21002202), we get a palindrome (223202322).

The spelling of 202200120 in words is "two hundred two million, two hundred thousand, one hundred twenty".