220223303322021 has 6 divisors (see below), whose sum is σ = 318100327020710. Its totient is φ = 146815535548008.

The previous prime is 220223303321999. The next prime is 220223303322053. The reversal of 220223303322021 is 120223303322022.

220223303322021 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 2 + 330 + 3 + 322 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 206579248308225 + 13644055013796 = 14372865^2 + 3693786^2 .

It is not a de Polignac number, because 220223303322021 - 2⁹ = 220223303321509 is a prime.

It is a super-2 number, since 2×220223303322021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220223303320021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12234627962326 + ... + 12234627962343.

Almost surely, 2^{220223303322021} is an apocalyptic number.

It is an amenable number.

220223303322021 is a deficient number, since it is larger than the sum of its proper divisors (97877023698689).

220223303322021 is a wasteful number, since it uses less digits than its factorization.

220223303322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24469255924675 (or 24469255924672 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 220223303322021 its reverse (120223303322022), we get a palindrome (340446606644043).

Subtracting from 220223303322021 its reverse (120223303322022), we obtain a palindrome (99999999999999).

The spelling of 220223303322021 in words is "two hundred twenty trillion, two hundred twenty-three billion, three hundred three million, three hundred twenty-two thousand, twenty-one".