90246020305 has 16 divisors (see below), whose sum is σ = 123910093440. Its totient is φ = 61810924032.

The previous prime is 90246020243. The next prime is 90246020321. The reversal of 90246020305 is 50302064209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90246020305 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470784 + ... + 1530913.

It is an arithmetic number, because the mean of its divisors is an integer number (7744380840).

Almost surely, 2^90246020305 is an apocalyptic number.

It is an amenable number.

90246020305 is a deficient number, since it is larger than the sum of its proper divisors (33664073135).

90246020305 is a wasteful number, since it uses less digits than its factorization.

90246020305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002568.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 90246020305 in words is "ninety billion, two hundred forty-six million, twenty thousand, three hundred five".