90520102 has 8 divisors (see below), whose sum is σ = 135828576. Its totient is φ = 45243912.

The previous prime is 90520099. The next prime is 90520141. The reversal of 90520102 is 20102509.

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

It is a self number, because there is not a number n which added to its sum of digits gives 90520102.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 963 + ... + 13489.

It is an arithmetic number, because the mean of its divisors is an integer number (16978572).

Almost surely, 2^90520102 is an apocalyptic number.

90520102 is a deficient number, since it is larger than the sum of its proper divisors (45308474).

90520102 is a wasteful number, since it uses less digits than its factorization.

90520102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 90520102 is about 9514.2052742202. The cubic root of 90520102 is about 449.0020717394.

The spelling of 90520102 in words is "ninety million, five hundred twenty thousand, one hundred two".