90020298 has 16 divisors (see below), whose sum is σ = 187868736. Its totient is φ = 28702080.

The previous prime is 90020257. The next prime is 90020339. The reversal of 90020298 is 89202009.

It is an interprime number because it is at equal distance from previous prime (90020257) and next prime (90020339).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326023 + ... + 326298.

It is an arithmetic number, because the mean of its divisors is an integer number (11741796).

Almost surely, 2^90020298 is an apocalyptic number.

90020298 is an abundant number, since it is smaller than the sum of its proper divisors (97848438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90020298 is a wasteful number, since it uses less digits than its factorization.

90020298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652349.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 90020298 is about 9487.9027187256. The cubic root of 90020298 is about 448.1741623283.

The spelling of 90020298 in words is "ninety million, twenty thousand, two hundred ninety-eight".