1220335645014 has 24 divisors (see below), whose sum is σ = 2711875028520. Its totient is φ = 406775842416.

The previous prime is 1220335644973. The next prime is 1220335645027. The reversal of 1220335645014 is 4105465330221.

1220335645014 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 3 + 3 + 5 + 645 + 0 + 1 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1220335645014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8042602 + ... + 8192930.

It is an arithmetic number, because the mean of its divisors is an integer number (112994792855).

Almost surely, 2^{1220335645014} is an apocalyptic number.

1220335645014 is an abundant number, since it is smaller than the sum of its proper divisors (1491539383506).

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

1220335645014 is an frugal number, since it uses more digits than its factorization.

1220335645014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300669 (or 150334 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 1220335645014 in words is "one trillion, two hundred twenty billion, three hundred thirty-five million, six hundred forty-five thousand, fourteen".