220023312011 has 8 divisors (see below), whose sum is σ = 237506424480. Its totient is φ = 203199939712.

The previous prime is 220023311993. The next prime is 220023312013. The reversal of 220023312011 is 110213320022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220023312011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220023312013) 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, 164934350 + ... + 164935683.

It is an arithmetic number, because the mean of its divisors is an integer number (29688303060).

Almost surely, 2^220023312011 is an apocalyptic number.

220023312011 is a deficient number, since it is larger than the sum of its proper divisors (17483112469).

220023312011 is a wasteful number, since it uses less digits than its factorization.

220023312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329870085.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220023312011 its reverse (110213320022), we get a palindrome (330236632033).

The spelling of 220023312011 in words is "two hundred twenty billion, twenty-three million, three hundred twelve thousand, eleven".