1220326733306 has 16 divisors (see below), whose sum is σ = 1884851956008. Its totient is φ = 592196966400.

The previous prime is 1220326733291. The next prime is 1220326733323. The reversal of 1220326733306 is 6033376230221.

It can be written as a sum of positive squares in 4 ways, for example, as 679132569025 + 541194164281 = 824095^2 + 735659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1220326733306.

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, 38538665 + ... + 38570316.

Almost surely, 2^{1220326733306} is an apocalyptic number.

1220326733306 is a deficient number, since it is larger than the sum of its proper divisors (664525222702).

1220326733306 is a wasteful number, since it uses less digits than its factorization.

1220326733306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77109217.

The product of its (nonzero) digits is 163296, while the sum is 38.

The spelling of 1220326733306 in words is "one trillion, two hundred twenty billion, three hundred twenty-six million, seven hundred thirty-three thousand, three hundred six".