1220023514 has 8 divisors (see below), whose sum is σ = 1848901908. Its totient is φ = 603722880.

The previous prime is 1220023499. The next prime is 1220023577. The reversal of 1220023514 is 4153200221.

It can be written as a sum of positive squares in 2 ways, for example, as 1219057225 + 966289 = 34915^2 + 983^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3144197 + ... + 3144584.

Almost surely, 2^1220023514 is an apocalyptic number.

1220023514 is a deficient number, since it is larger than the sum of its proper divisors (628878394).

1220023514 is an equidigital number, since it uses as much as digits as its factorization.

1220023514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288880.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1220023514 is about 34928.8349934549. The cubic root of 1220023514 is about 1068.5365949704.

Adding to 1220023514 its reverse (4153200221), we get a palindrome (5373223735).

The spelling of 1220023514 in words is "one billion, two hundred twenty million, twenty-three thousand, five hundred fourteen".