1220342433 has 16 divisors (see below), whose sum is σ = 1735421760. Its totient is φ = 760111616.

The previous prime is 1220342423. The next prime is 1220342449. The reversal of 1220342433 is 3342430221.

It is not a de Polignac number, because 1220342433 - 2²⁶ = 1153233569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1220342423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80343 + ... + 94316.

It is an arithmetic number, because the mean of its divisors is an integer number (108463860).

Almost surely, 2^1220342433 is an apocalyptic number.

It is an amenable number.

1220342433 is a deficient number, since it is larger than the sum of its proper divisors (515079327).

1220342433 is a wasteful number, since it uses less digits than its factorization.

1220342433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174816.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1220342433 is about 34933.3999633588. The cubic root of 1220342433 is about 1068.6296934310.

Adding to 1220342433 its reverse (3342430221), we get a palindrome (4562772654).

The spelling of 1220342433 in words is "one billion, two hundred twenty million, three hundred forty-two thousand, four hundred thirty-three".