20023220013 has 8 divisors (see below), whose sum is σ = 27558840576. Its totient is φ = 12918206400.

The previous prime is 20023220011. The next prime is 20023220071. The reversal of 20023220013 is 31002232002.

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

It is not a de Polignac number, because 20023220013 - 2¹ = 20023220011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20023219974 and 20023220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023220011) 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, 107651628 + ... + 107651813.

It is an arithmetic number, because the mean of its divisors is an integer number (3444855072).

Almost surely, 2^20023220013 is an apocalyptic number.

It is an amenable number.

20023220013 is a deficient number, since it is larger than the sum of its proper divisors (7535620563).

20023220013 is a wasteful number, since it uses less digits than its factorization.

20023220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215303475.

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

Adding to 20023220013 its reverse (31002232002), we get a palindrome (51025452015).

The spelling of 20023220013 in words is "twenty billion, twenty-three million, two hundred twenty thousand, thirteen".