20023002013 has 8 divisors (see below), whose sum is σ = 22911310080. Its totient is φ = 17141663760.

The previous prime is 20023002011. The next prime is 20023002019. The reversal of 20023002013 is 31020032002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20023002013 - 2¹ = 20023002011 is a prime.

It is a super-2 number, since 2×20023002013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20023001984 and 20023002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023002011) 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 7 ways as a sum of consecutive naturals, for example, 1736293 + ... + 1747786.

It is an arithmetic number, because the mean of its divisors is an integer number (2863913760).

Almost surely, 2^20023002013 is an apocalyptic number.

It is an amenable number.

20023002013 is a deficient number, since it is larger than the sum of its proper divisors (2888308067).

20023002013 is an equidigital number, since it uses as much as digits as its factorization.

20023002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484907.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20023002013 its reverse (31020032002), we get a palindrome (51043034015).

The spelling of 20023002013 in words is "twenty billion, twenty-three million, two thousand, thirteen".