20250199 has 2 divisors, whose sum is σ = 20250200. Its totient is φ = 20250198.

The previous prime is 20250193. The next prime is 20250203. The reversal of 20250199 is 99105202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20250199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20250193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10125099 + 10125100.

It is an arithmetic number, because the mean of its divisors is an integer number (10125100).

Almost surely, 2^20250199 is an apocalyptic number.

20250199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20250199 is an equidigital number, since it uses as much as digits as its factorization.

20250199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 20250199 is about 4500.0221110568. The cubic root of 20250199 is about 272.5689817787.

It can be divided in two parts, 20250 and 199, that added together give a square (20449 = 143²).

The spelling of 20250199 in words is "twenty million, two hundred fifty thousand, one hundred ninety-nine".