20835198 has 16 divisors (see below), whose sum is σ = 46300560. Its totient is φ = 6945048.

The previous prime is 20835197. The next prime is 20835203. The reversal of 20835198 is 89153802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20835197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192865 + ... + 192972.

It is an arithmetic number, because the mean of its divisors is an integer number (2893785).

Almost surely, 2^20835198 is an apocalyptic number.

20835198 is an abundant number, since it is smaller than the sum of its proper divisors (25465362).

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

20835198 is a wasteful number, since it uses less digits than its factorization.

20835198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385848 (or 385842 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 20835198 is about 4564.5589053051. The cubic root of 20835198 is about 275.1688131545.

The spelling of 20835198 in words is "twenty million, eight hundred thirty-five thousand, one hundred ninety-eight".