20023310213 has 8 divisors (see below), whose sum is σ = 20176919832. Its totient is φ = 19869808896.

The previous prime is 20023310173. The next prime is 20023310221. The reversal of 20023310213 is 31201332002.

It can be written as a sum of positive squares in 4 ways, for example, as 11859645604 + 8163664609 = 108902^2 + 90353^2 .

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 20023310213 - 2¹² = 20023306117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20023310191 and 20023310200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023318213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365831 + ... + 416987.

It is an arithmetic number, because the mean of its divisors is an integer number (2522114979).

Almost surely, 2^20023310213 is an apocalyptic number.

It is an amenable number.

20023310213 is a deficient number, since it is larger than the sum of its proper divisors (153609619).

20023310213 is a wasteful number, since it uses less digits than its factorization.

20023310213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54151.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20023310213 its reverse (31201332002), we get a palindrome (51224642215).

The spelling of 20023310213 in words is "twenty billion, twenty-three million, three hundred ten thousand, two hundred thirteen".