220320223333212 has 12 divisors (see below), whose sum is σ = 514080521110856. Its totient is φ = 73440074444400.

The previous prime is 220320223333151. The next prime is 220320223333219. The reversal of 220320223333212 is 212333322023022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 220320223333212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220320223333219) 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, 9180009305539 + ... + 9180009305562.

Almost surely, 2^{220320223333212} is an apocalyptic number.

It is an amenable number.

220320223333212 is an abundant number, since it is smaller than the sum of its proper divisors (293760297777644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220320223333212 is a wasteful number, since it uses less digits than its factorization.

220320223333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18360018611108 (or 18360018611106 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 220320223333212 its reverse (212333322023022), we get a palindrome (432653545356234).

The spelling of 220320223333212 in words is "two hundred twenty trillion, three hundred twenty billion, two hundred twenty-three million, three hundred thirty-three thousand, two hundred twelve".