20674299 has 8 divisors (see below), whose sum is σ = 29016640. Its totient is φ = 13057416.

The previous prime is 20674273. The next prime is 20674307. The reversal of 20674299 is 99247602.

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

It is not a de Polignac number, because 20674299 - 2⁵ = 20674267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20674699) 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, 181297 + ... + 181410.

It is an arithmetic number, because the mean of its divisors is an integer number (3627080).

Almost surely, 2^20674299 is an apocalyptic number.

20674299 is a deficient number, since it is larger than the sum of its proper divisors (8342341).

20674299 is a wasteful number, since it uses less digits than its factorization.

20674299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362729.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 20674299 is about 4546.8999329213. The cubic root of 20674299 is about 274.4586551577.

The spelling of 20674299 in words is "twenty million, six hundred seventy-four thousand, two hundred ninety-nine".