20013002001223 has 32 divisors (see below), whose sum is σ = 25860731973120. Its totient is φ = 15033870034560.

The previous prime is 20013002001217. The next prime is 20013002001247. The reversal of 20013002001223 is 32210020031002.

It is a cyclic number.

It is not a de Polignac number, because 20013002001223 - 2²¹ = 20012999904071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20013002001197 and 20013002001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013002001253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31912261 + ... + 32533342.

It is an arithmetic number, because the mean of its divisors is an integer number (808147874160).

Almost surely, 2^{20013002001223} is an apocalyptic number.

20013002001223 is a deficient number, since it is larger than the sum of its proper divisors (5847729971897).

20013002001223 is a wasteful number, since it uses less digits than its factorization.

20013002001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64445767.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20013002001223 its reverse (32210020031002), we get a palindrome (52223022032225).

The spelling of 20013002001223 in words is "twenty trillion, thirteen billion, two million, one thousand, two hundred twenty-three".