20334199 has 4 divisors (see below), whose sum is σ = 21404440. Its totient is φ = 19263960.

The previous prime is 20334163. The next prime is 20334217. The reversal of 20334199 is 99143302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20334199 - 2⁷ = 20334071 is a prime.

It is a super-3 number, since 3×20334199³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20334199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20337199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535092 + ... + 535129.

It is an arithmetic number, because the mean of its divisors is an integer number (5351110).

Almost surely, 2^20334199 is an apocalyptic number.

20334199 is a deficient number, since it is larger than the sum of its proper divisors (1070241).

20334199 is a wasteful number, since it uses less digits than its factorization.

20334199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070240.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 20334199 is about 4509.3457396833. The cubic root of 20334199 is about 272.9453436629.

The spelling of 20334199 in words is "twenty million, three hundred thirty-four thousand, one hundred ninety-nine".