90200002 has 8 divisors (see below), whose sum is σ = 135367056. Its totient is φ = 45077652.

The previous prime is 90199999. The next prime is 90200017. The reversal of 90200002 is 20000209.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5568 + ... + 14539.

It is an arithmetic number, because the mean of its divisors is an integer number (16920882).

Almost surely, 2^90200002 is an apocalyptic number.

90200002 is a deficient number, since it is larger than the sum of its proper divisors (45167054).

90200002 is a wasteful number, since it uses less digits than its factorization.

90200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22352.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 90200002 is about 9497.3681617593. The cubic root of 90200002 is about 448.4721882874.

The spelling of 90200002 in words is "ninety million, two hundred thousand, two".