20698035 has 8 divisors (see below), whose sum is σ = 33116880. Its totient is φ = 11038944.

The previous prime is 20698019. The next prime is 20698039. The reversal of 20698035 is 53089602.

It is a happy number.

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

It is not a de Polignac number, because 20698035 - 2⁴ = 20698019 is a prime.

It is a super-2 number, since 2×20698035² = 856817305722450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20697987 and 20698005.

It is not an unprimeable number, because it can be changed into a prime (20698039) 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, 689920 + ... + 689949.

It is an arithmetic number, because the mean of its divisors is an integer number (4139610).

Almost surely, 2^20698035 is an apocalyptic number.

20698035 is a deficient number, since it is larger than the sum of its proper divisors (12418845).

20698035 is a wasteful number, since it uses less digits than its factorization.

20698035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379877.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 20698035 is about 4549.5093142008. The cubic root of 20698035 is about 274.5636495943.

The spelling of 20698035 in words is "twenty million, six hundred ninety-eight thousand, thirty-five".