220032100212 has 24 divisors (see below), whose sum is σ = 513458190336. Its totient is φ = 73336896768.

The previous prime is 220032100187. The next prime is 220032100213. The reversal of 220032100212 is 212001230022.

It is a happy number.

It is a super-2 number, since 2×220032100212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220032100191 and 220032100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220032100213) 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, 762868 + ... + 1010955.

It is an arithmetic number, because the mean of its divisors is an integer number (21394091264).

Almost surely, 2^220032100212 is an apocalyptic number.

It is an amenable number.

220032100212 is an abundant number, since it is smaller than the sum of its proper divisors (293426090124).

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

220032100212 is a wasteful number, since it uses less digits than its factorization.

220032100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784167 (or 1784165 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220032100212 its reverse (212001230022), we get a palindrome (432033330234).

The spelling of 220032100212 in words is "two hundred twenty billion, thirty-two million, one hundred thousand, two hundred twelve".