20242111459 has 2 divisors, whose sum is σ = 20242111460. Its totient is φ = 20242111458.

The previous prime is 20242111427. The next prime is 20242111501. The reversal of 20242111459 is 95411124202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20242111459 - 2⁵ = 20242111427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20242111459.

It is not a weakly prime, because it can be changed into another prime (20242111859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121055729 + 10121055730.

It is an arithmetic number, because the mean of its divisors is an integer number (10121055730).

Almost surely, 2^20242111459 is an apocalyptic number.

20242111459 is a deficient number, since it is larger than the sum of its proper divisors (1).

20242111459 is an equidigital number, since it uses as much as digits as its factorization.

20242111459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 20242111459 in words is "twenty billion, two hundred forty-two million, one hundred eleven thousand, four hundred fifty-nine".