900204202 has 4 divisors (see below), whose sum is σ = 1350306306. Its totient is φ = 450102100.

The previous prime is 900204197. The next prime is 900204203. The reversal of 900204202 is 202402009.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 576528121 + 323676081 = 24011^2 + 17991^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 900204202.

It is not an unprimeable number, because it can be changed into a prime (900204203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225051049 + ... + 225051052.

Almost surely, 2^900204202 is an apocalyptic number.

900204202 is a deficient number, since it is larger than the sum of its proper divisors (450102104).

900204202 is a wasteful number, since it uses less digits than its factorization.

900204202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450102103.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 900204202 is about 30003.4031736402. The cubic root of 900204202 is about 965.5623994035.

The spelling of 900204202 in words is "nine hundred million, two hundred four thousand, two hundred two".