20460199 has 2 divisors, whose sum is σ = 20460200. Its totient is φ = 20460198.

The previous prime is 20460157. The next prime is 20460239. The reversal of 20460199 is 99106402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20460199 - 2¹³ = 20452007 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20460199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20460799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10230099 + 10230100.

It is an arithmetic number, because the mean of its divisors is an integer number (10230100).

Almost surely, 2^20460199 is an apocalyptic number.

20460199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20460199 is an equidigital number, since it uses as much as digits as its factorization.

20460199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 20460199 is about 4523.2951484510. The cubic root of 20460199 is about 273.5079479479.

The spelling of 20460199 in words is "twenty million, four hundred sixty thousand, one hundred ninety-nine".