202200020 has 48 divisors (see below), whose sum is σ = 464220288. Its totient is φ = 73368960.

The previous prime is 202200001. The next prime is 202200029. The reversal of 202200020 is 20002202.

It is a junction number, because it is equal to n+sod(n) for n = 202199980 and 202200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202200029) 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 15 ways as a sum of consecutive naturals, for example, 162842 + ... + 164078.

It is an arithmetic number, because the mean of its divisors is an integer number (9671256).

Almost surely, 2^202200020 is an apocalyptic number.

202200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202200020 is an abundant number, since it is smaller than the sum of its proper divisors (262020268).

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

202200020 is a wasteful number, since it uses less digits than its factorization.

202200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 202200020 is about 14219.7053415322. The cubic root of 202200020 is about 586.9400320085.

Adding to 202200020 its reverse (20002202), we get a palindrome (222202222).

The spelling of 202200020 in words is "two hundred two million, two hundred thousand, twenty".