20134799 has 2 divisors, whose sum is σ = 20134800. Its totient is φ = 20134798.

The previous prime is 20134769. The next prime is 20134801. The reversal of 20134799 is 99743102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20134799 is a prime.

It is a Sophie Germain prime.

Together with 20134801, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1278629 and since 20134799 and 1278629 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 (20134759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067399 + 10067400.

It is an arithmetic number, because the mean of its divisors is an integer number (10067400).

Almost surely, 2^20134799 is an apocalyptic number.

20134799 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134799 is an equidigital number, since it uses as much as digits as its factorization.

20134799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 20134799 is about 4487.1816321607. The cubic root of 20134799 is about 272.0502313156.

The spelling of 20134799 in words is "twenty million, one hundred thirty-four thousand, seven hundred ninety-nine".