20341999 has 2 divisors, whose sum is σ = 20342000. Its totient is φ = 20341998.

The previous prime is 20341991. The next prime is 20342009. The reversal of 20341999 is 99914302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20341999 - 2³ = 20341991 is a prime.

It is equal to p_1290889 and since 20341999 and 1290889 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20341991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170999 + 10171000.

It is an arithmetic number, because the mean of its divisors is an integer number (10171000).

Almost surely, 2^20341999 is an apocalyptic number.

20341999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341999 is an equidigital number, since it uses as much as digits as its factorization.

20341999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 20341999 is about 4510.2105272371. The cubic root of 20341999 is about 272.9802389235.

The spelling of 20341999 in words is "twenty million, three hundred forty-one thousand, nine hundred ninety-nine".