1220100020206 has 8 divisors (see below), whose sum is σ = 1869089392800. Its totient is φ = 597070222608.

The previous prime is 1220100020201. The next prime is 1220100020207. The reversal of 1220100020206 is 6020200010221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1220100020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220100020201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6489893631 + ... + 6489893818.

It is an arithmetic number, because the mean of its divisors is an integer number (233636174100).

Almost surely, 2^{1220100020206} is an apocalyptic number.

1220100020206 is a deficient number, since it is larger than the sum of its proper divisors (648989372594).

1220100020206 is a wasteful number, since it uses less digits than its factorization.

1220100020206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12979787498.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1220100020206 its reverse (6020200010221), we get a palindrome (7240300030427).

The spelling of 1220100020206 in words is "one trillion, two hundred twenty billion, one hundred million, twenty thousand, two hundred six".