206220456228 has 96 divisors (see below), whose sum is σ = 501924584448. Its totient is φ = 65837923200.

The previous prime is 206220456223. The next prime is 206220456229. The reversal of 206220456228 is 822654022602.

It is not an unprimeable number, because it can be changed into a prime (206220456223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21778351 + ... + 21787817.

It is an arithmetic number, because the mean of its divisors is an integer number (5228381088).

Almost surely, 2^206220456228 is an apocalyptic number.

It is an amenable number.

206220456228 is an abundant number, since it is smaller than the sum of its proper divisors (295704128220).

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

206220456228 is a wasteful number, since it uses less digits than its factorization.

206220456228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10273 (or 10271 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 206220456228 in words is "two hundred six billion, two hundred twenty million, four hundred fifty-six thousand, two hundred twenty-eight".