20244615065 has 16 divisors (see below), whose sum is σ = 25634620800. Its totient is φ = 15317461632.

The previous prime is 20244614993. The next prime is 20244615137. The reversal of 20244615065 is 56051644202.

It is an interprime number because it is at equal distance from previous prime (20244614993) and next prime (20244615137).

It is a cyclic number.

It is not a de Polignac number, because 20244615065 - 2¹⁰ = 20244614041 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978755 + ... + 999224.

It is an arithmetic number, because the mean of its divisors is an integer number (1602163800).

Almost surely, 2^20244615065 is an apocalyptic number.

It is an amenable number.

20244615065 is a deficient number, since it is larger than the sum of its proper divisors (5390005735).

20244615065 is a wasteful number, since it uses less digits than its factorization.

20244615065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978096.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20244615065 in words is "twenty billion, two hundred forty-four million, six hundred fifteen thousand, sixty-five".