20198235835 has 8 divisors (see below), whose sum is σ = 24240268800. Its totient is φ = 16156998144.

The previous prime is 20198235797. The next prime is 20198235851. The reversal of 20198235835 is 53853289102.

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

It is a cyclic number.

It is not a de Polignac number, because 20198235835 - 2¹¹ = 20198233787 is a prime.

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, 141435 + ... + 245764.

It is an arithmetic number, because the mean of its divisors is an integer number (3030033600).

Almost surely, 2^20198235835 is an apocalyptic number.

20198235835 is a deficient number, since it is larger than the sum of its proper divisors (4042032965).

20198235835 is a wasteful number, since it uses less digits than its factorization.

20198235835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397637.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 20198235835 in words is "twenty billion, one hundred ninety-eight million, two hundred thirty-five thousand, eight hundred thirty-five".