220212189 has 72 divisors (see below), whose sum is σ = 364343616. Its totient is φ = 132580800.

The previous prime is 220212173. The next prime is 220212211. The reversal of 220212189 is 981212022.

220212189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220212189 - 2⁴ = 220212173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212389) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5371009 + ... + 5371049.

It is an arithmetic number, because the mean of its divisors is an integer number (5060328).

Almost surely, 2^220212189 is an apocalyptic number.

It is an amenable number.

220212189 is a deficient number, since it is larger than the sum of its proper divisors (144131427).

220212189 is an equidigital number, since it uses as much as digits as its factorization.

220212189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 220212189 is about 14839.5481400210. The cubic root of 220212189 is about 603.8750938665.

The spelling of 220212189 in words is "two hundred twenty million, two hundred twelve thousand, one hundred eighty-nine".