206217220602 has 16 divisors (see below), whose sum is σ = 412457391360. Its totient is φ = 68735248512.

The previous prime is 206217220591. The next prime is 206217220621. The reversal of 206217220602 is 206022712602.

206217220602 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 206217220602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838327 + ... + 1056042.

It is an arithmetic number, because the mean of its divisors is an integer number (25778586960).

Almost surely, 2^206217220602 is an apocalyptic number.

206217220602 is an abundant number, since it is smaller than the sum of its proper divisors (206240170758).

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

206217220602 is a wasteful number, since it uses less digits than its factorization.

206217220602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912517.

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 206217220602 in words is "two hundred six billion, two hundred seventeen million, two hundred twenty thousand, six hundred two".