200542220 has 24 divisors (see below), whose sum is σ = 432522384. Its totient is φ = 78048576.

The previous prime is 200542157. The next prime is 200542241. The reversal of 200542220 is 22245002.

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, 134762 + ... + 136241.

It is an arithmetic number, because the mean of its divisors is an integer number (18021766).

Almost surely, 2^200542220 is an apocalyptic number.

200542220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200542220 is an abundant number, since it is smaller than the sum of its proper divisors (231980164).

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

200542220 is a wasteful number, since it uses less digits than its factorization.

200542220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271049 (or 271047 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 200542220 is about 14161.2930200600. The cubic root of 200542220 is about 585.3315577329.

Adding to 200542220 its reverse (22245002), we get a palindrome (222787222).

The spelling of 200542220 in words is "two hundred million, five hundred forty-two thousand, two hundred twenty".