1220433330505 has 8 divisors (see below), whose sum is σ = 1473289578432. Its totient is φ = 970500276528.

The previous prime is 1220433330461. The next prime is 1220433330527. The reversal of 1220433330505 is 5050333340221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220433330505 - 2⁹ = 1220433329993 is a prime.

It is a Duffinian number.

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, 730797567 + ... + 730799236.

It is an arithmetic number, because the mean of its divisors is an integer number (184161197304).

Almost surely, 2^{1220433330505} is an apocalyptic number.

It is an amenable number.

1220433330505 is a deficient number, since it is larger than the sum of its proper divisors (252856247927).

1220433330505 is a wasteful number, since it uses less digits than its factorization.

1220433330505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461596975.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 1220433330505 its reverse (5050333340221), we get a palindrome (6270766670726).

The spelling of 1220433330505 in words is "one trillion, two hundred twenty billion, four hundred thirty-three million, three hundred thirty thousand, five hundred five".