20302220013 has 16 divisors (see below), whose sum is σ = 28698057216. Its totient is φ = 12744198720.

The previous prime is 20302220009. The next prime is 20302220017. The reversal of 20302220013 is 31002220302.

It is an interprime number because it is at equal distance from previous prime (20302220009) and next prime (20302220017).

It is not a de Polignac number, because 20302220013 - 2² = 20302220009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20302219974 and 20302220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302220017) by changing a digit.

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, 2946606 + ... + 2953487.

It is an arithmetic number, because the mean of its divisors is an integer number (1793628576).

Almost surely, 2^20302220013 is an apocalyptic number.

It is an amenable number.

20302220013 is a deficient number, since it is larger than the sum of its proper divisors (8395837203).

20302220013 is a wasteful number, since it uses less digits than its factorization.

20302220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900164.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20302220013 its reverse (31002220302), we get a palindrome (51304440315).

The spelling of 20302220013 in words is "twenty billion, three hundred two million, two hundred twenty thousand, thirteen".