20323030013 has 16 divisors (see below), whose sum is σ = 24107830656. Its totient is φ = 16888703040.

The previous prime is 20323030009. The next prime is 20323030027. The reversal of 20323030013 is 31003032302.

It is not a de Polignac number, because 20323030013 - 2² = 20323030009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20323029973 and 20323030000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323035013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675170 + ... + 704627.

It is an arithmetic number, because the mean of its divisors is an integer number (1506739416).

Almost surely, 2^20323030013 is an apocalyptic number.

It is an amenable number.

20323030013 is a deficient number, since it is larger than the sum of its proper divisors (3784800643).

20323030013 is a wasteful number, since it uses less digits than its factorization.

20323030013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379924.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20323030013 its reverse (31003032302), we get a palindrome (51326062315).

The spelling of 20323030013 in words is "twenty billion, three hundred twenty-three million, thirty thousand, thirteen".