200018020 has 24 divisors (see below), whose sum is σ = 420465024. Its totient is φ = 79925856.

The previous prime is 200018009. The next prime is 200018053. The reversal of 200018020 is 20810002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17527 + ... + 26593.

It is an arithmetic number, because the mean of its divisors is an integer number (17519376).

Almost surely, 2^200018020 is an apocalyptic number.

200018020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200018020 is an abundant number, since it is smaller than the sum of its proper divisors (220447004).

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

200018020 is a wasteful number, since it uses less digits than its factorization.

200018020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10179 (or 10177 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 200018020 is about 14142.7727125907. The cubic root of 200018020 is about 584.8211107150.

Adding to 200018020 its reverse (20810002), we get a palindrome (220828022).

The spelling of 200018020 in words is "two hundred million, eighteen thousand, twenty".