202420200 has 48 divisors (see below), whose sum is σ = 627504480. Its totient is φ = 53978560.

The previous prime is 202420189. The next prime is 202420223. The reversal of 202420200 is 2024202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

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, 168084 + ... + 169283.

It is an arithmetic number, because the mean of its divisors is an integer number (13073010).

Almost surely, 2^202420200 is an apocalyptic number.

202420200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202420200 is an abundant number, since it is smaller than the sum of its proper divisors (425084280).

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

202420200 is a wasteful number, since it uses less digits than its factorization.

202420200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337386 (or 337377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 202420200 is about 14227.4453082765. The cubic root of 202420200 is about 587.1529986485.

Adding to 202420200 its reverse (2024202), we get a palindrome (204444402).

Multiplying 202420200 by its reverse (2024202), we get a square (409739373680400 = 20242020²).

202420200 divided by its reverse (2024202) gives a square (100 = 10²).

The spelling of 202420200 in words is "two hundred two million, four hundred twenty thousand, two hundred".