20234759 has 2 divisors, whose sum is σ = 20234760. Its totient is φ = 20234758.

The previous prime is 20234749. The next prime is 20234801. The reversal of 20234759 is 95743202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20234759 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 (20234719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10117379 + 10117380.

It is an arithmetic number, because the mean of its divisors is an integer number (10117380).

Almost surely, 2^20234759 is an apocalyptic number.

20234759 is a deficient number, since it is larger than the sum of its proper divisors (1).

20234759 is an equidigital number, since it uses as much as digits as its factorization.

20234759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 20234759 is about 4498.3062367962. The cubic root of 20234759 is about 272.4996897003.

The spelling of 20234759 in words is "twenty million, two hundred thirty-four thousand, seven hundred fifty-nine".