200552021 has 4 divisors (see below), whose sum is σ = 202499232. Its totient is φ = 198604812.

The previous prime is 200551979. The next prime is 200552039. The reversal of 200552021 is 120255002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200552021 - 2¹⁸ = 200289877 is a prime.

It is a super-2 number, since 2×200552021² = 80442226254368882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200552041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973451 + ... + 973656.

It is an arithmetic number, because the mean of its divisors is an integer number (50624808).

Almost surely, 2^200552021 is an apocalyptic number.

It is an amenable number.

200552021 is a deficient number, since it is larger than the sum of its proper divisors (1947211).

200552021 is a wasteful number, since it uses less digits than its factorization.

200552021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947210.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 200552021 is about 14161.6390647411. The cubic root of 200552021 is about 585.3410931168.

The spelling of 200552021 in words is "two hundred million, five hundred fifty-two thousand, twenty-one".