200201900 has 18 divisors (see below), whose sum is σ = 434438340. Its totient is φ = 80080720.

The previous prime is 200201891. The next prime is 200201909. The reversal of 200201900 is 9102002.

It is an interprime number because it is at equal distance from previous prime (200201891) and next prime (200201909).

It is a super-2 number, since 2×200201900² = 80161601527220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200201909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1000910 + ... + 1001109.

Almost surely, 2^200201900 is an apocalyptic number.

200201900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200201900 is an abundant number, since it is smaller than the sum of its proper divisors (234236440).

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

200201900 is a wasteful number, since it uses less digits than its factorization.

200201900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002033 (or 2002026 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 200201900 is about 14149.2720660817. The cubic root of 200201900 is about 585.0002678548. Note that the first 3 decimals are identical.

Adding to 200201900 its reverse (9102002), we get a palindrome (209303902).

The spelling of 200201900 in words is "two hundred million, two hundred one thousand, nine hundred".