9920541594 has 16 divisors (see below), whose sum is σ = 20026515168. Its totient is φ = 3275941872.

The previous prime is 9920541577. The next prime is 9920541619. The reversal of 9920541594 is 4951450299.

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, 7725637 + ... + 7726920.

It is an arithmetic number, because the mean of its divisors is an integer number (1251657198).

Almost surely, 2^9920541594 is an apocalyptic number.

9920541594 is an abundant number, since it is smaller than the sum of its proper divisors (10105973574).

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

9920541594 is a wasteful number, since it uses less digits than its factorization.

9920541594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15452669.

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 9920541594 is about 99601.9156141085. The cubic root of 9920541594 is about 2148.7132443921.

The spelling of 9920541594 in words is "nine billion, nine hundred twenty million, five hundred forty-one thousand, five hundred ninety-four".