1220304545334 has 80 divisors (see below), whose sum is σ = 3125574073248. Its totient is φ = 348595809408.

The previous prime is 1220304545311. The next prime is 1220304545351. The reversal of 1220304545334 is 4335454030221.

1220304545334 is a `hidden beast` number, since 1 + 220 + 304 + 54 + 53 + 34 = 666.

It is a super-2 number, since 2×1220304545334² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6411972 + ... + 6599544.

Almost surely, 2^{1220304545334} is an apocalyptic number.

1220304545334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1220304545334 is an abundant number, since it is smaller than the sum of its proper divisors (1905269527914).

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

1220304545334 is a wasteful number, since it uses less digits than its factorization.

1220304545334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193331 (or 193322 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 1220304545334 its reverse (4335454030221), we get a palindrome (5555758575555).

The spelling of 1220304545334 in words is "one trillion, two hundred twenty billion, three hundred four million, five hundred forty-five thousand, three hundred thirty-four".