20698334 has 16 divisors (see below), whose sum is σ = 33011280. Its totient is φ = 9705600.

The previous prime is 20698331. The next prime is 20698339. The reversal of 20698334 is 43389602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20698294 and 20698303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20698331) 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, 1142 + ... + 6534.

It is an arithmetic number, because the mean of its divisors is an integer number (2063205).

Almost surely, 2^20698334 is an apocalyptic number.

20698334 is a deficient number, since it is larger than the sum of its proper divisors (12312946).

20698334 is a wasteful number, since it uses less digits than its factorization.

20698334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 20698334 is about 4549.5421747688. The cubic root of 20698334 is about 274.5649716865.

The spelling of 20698334 in words is "twenty million, six hundred ninety-eight thousand, three hundred thirty-four".