20273199 has 8 divisors (see below), whose sum is σ = 27058992. Its totient is φ = 13501440.

The previous prime is 20273191. The next prime is 20273203. The reversal of 20273199 is 99137202.

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

It is not a de Polignac number, because 20273199 - 2³ = 20273191 is a prime.

It is a super-2 number, since 2×20273199² = 822005195387202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20273191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529 + ... + 6389.

It is an arithmetic number, because the mean of its divisors is an integer number (3382374).

Almost surely, 2^20273199 is an apocalyptic number.

20273199 is a deficient number, since it is larger than the sum of its proper divisors (6785793).

20273199 is a wasteful number, since it uses less digits than its factorization.

20273199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 20273199 is about 4502.5769288264. The cubic root of 20273199 is about 272.6721365612.

The spelling of 20273199 in words is "twenty million, two hundred seventy-three thousand, one hundred ninety-nine".