20302420065 has 32 divisors (see below), whose sum is σ = 33024544896. Its totient is φ = 10648281600.

The previous prime is 20302420049. The next prime is 20302420069. The reversal of 20302420065 is 56002420302.

It is not a de Polignac number, because 20302420065 - 2⁴ = 20302420049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20302420069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587199 + ... + 620811.

It is an arithmetic number, because the mean of its divisors is an integer number (1032017028).

Almost surely, 2^20302420065 is an apocalyptic number.

It is an amenable number.

20302420065 is a deficient number, since it is larger than the sum of its proper divisors (12722124831).

20302420065 is a wasteful number, since it uses less digits than its factorization.

20302420065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34289.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20302420065 its reverse (56002420302), we get a palindrome (76304840367).

The spelling of 20302420065 in words is "twenty billion, three hundred two million, four hundred twenty thousand, sixty-five".