20341259 has 4 divisors (see below), whose sum is σ = 20466216. Its totient is φ = 20216304.

The previous prime is 20341247. The next prime is 20341261. The reversal of 20341259 is 95214302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95214302 = 2 ⋅47607151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20341259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20341759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62234 + ... + 62559.

It is an arithmetic number, because the mean of its divisors is an integer number (5116554).

Almost surely, 2^20341259 is an apocalyptic number.

20341259 is a deficient number, since it is larger than the sum of its proper divisors (124957).

20341259 is a wasteful number, since it uses less digits than its factorization.

20341259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124956.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20341259 is about 4510.1284904091. The cubic root of 20341259 is about 272.9769287305.

The spelling of 20341259 in words is "twenty million, three hundred forty-one thousand, two hundred fifty-nine".