200555255632021 has 8 divisors (see below), whose sum is σ = 205822435641984. Its totient is φ = 195305960784480.

The previous prime is 200555255632009. The next prime is 200555255632027. The reversal of 200555255632021 is 120236552555002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200555255632021 - 2⁹ = 200555255631509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200555255632027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4471267885 + ... + 4471312738.

It is an arithmetic number, because the mean of its divisors is an integer number (25727804455248).

Almost surely, 2^{200555255632021} is an apocalyptic number.

It is an amenable number.

200555255632021 is a deficient number, since it is larger than the sum of its proper divisors (5267180009963).

200555255632021 is an equidigital number, since it uses as much as digits as its factorization.

200555255632021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8942581211.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 200555255632021 in words is "two hundred trillion, five hundred fifty-five billion, two hundred fifty-five million, six hundred thirty-two thousand, twenty-one".