220013001023 has 4 divisors (see below), whose sum is σ = 221284752648. Its totient is φ = 218741249400.

The previous prime is 220013000983. The next prime is 220013001041. The reversal of 220013001023 is 320100310022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220013001023 - 2¹² = 220012996927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220013000989 and 220013001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220013001083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635875553 + ... + 635875898.

It is an arithmetic number, because the mean of its divisors is an integer number (55321188162).

Almost surely, 2^220013001023 is an apocalyptic number.

220013001023 is a deficient number, since it is larger than the sum of its proper divisors (1271751625).

220013001023 is a wasteful number, since it uses less digits than its factorization.

220013001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271751624.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 220013001023 its reverse (320100310022), we get a palindrome (540113311045).

The spelling of 220013001023 in words is "two hundred twenty billion, thirteen million, one thousand, twenty-three".