20674199 has 8 divisors (see below), whose sum is σ = 25445280. Its totient is φ = 16357536.

The previous prime is 20674189. The next prime is 20674201. The reversal of 20674199 is 99147602.

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

It is not a de Polignac number, because 20674199 - 2⁸ = 20673943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20674189) 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, 113504 + ... + 113685.

It is an arithmetic number, because the mean of its divisors is an integer number (3180660).

Almost surely, 2^20674199 is an apocalyptic number.

20674199 is a deficient number, since it is larger than the sum of its proper divisors (4771081).

20674199 is a wasteful number, since it uses less digits than its factorization.

20674199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227209.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 20674199 is about 4546.8889364048. Note that the first 3 decimals coincide. The cubic root of 20674199 is about 274.4582126451.

The spelling of 20674199 in words is "twenty million, six hundred seventy-four thousand, one hundred ninety-nine".