206651222204 has 48 divisors (see below), whose sum is σ = 453970675200. Its totient is φ = 80255520576.

The previous prime is 206651222201. The next prime is 206651222237. The reversal of 206651222204 is 402222156602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206651222201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8432159 + ... + 8456630.

It is an arithmetic number, because the mean of its divisors is an integer number (9457722400).

Almost surely, 2^206651222204 is an apocalyptic number.

It is an amenable number.

206651222204 is an abundant number, since it is smaller than the sum of its proper divisors (247319452996).

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

206651222204 is a wasteful number, since it uses less digits than its factorization.

206651222204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16888842 (or 16888840 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 206651222204 its reverse (402222156602), we get a palindrome (608873378806).

The spelling of 206651222204 in words is "two hundred six billion, six hundred fifty-one million, two hundred twenty-two thousand, two hundred four".