200021002 has 8 divisors (see below), whose sum is σ = 306415296. Its totient is φ = 97882572.

The previous prime is 200020991. The next prime is 200021009. The reversal of 200021002 is 200120002.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (200021009) 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, 1063848 + ... + 1064035.

It is an arithmetic number, because the mean of its divisors is an integer number (38301912).

Almost surely, 2^200021002 is an apocalyptic number.

200021002 is a deficient number, since it is larger than the sum of its proper divisors (106394294).

200021002 is a wasteful number, since it uses less digits than its factorization.

200021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127932.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 200021002 is about 14142.8781370696. The cubic root of 200021002 is about 584.8240169996.

Adding to 200021002 its reverse (200120002), we get a palindrome (400141004).

The spelling of 200021002 in words is "two hundred million, twenty-one thousand, two".