1220023502 has 16 divisors (see below), whose sum is σ = 1858723152. Its totient is φ = 600462720.

The previous prime is 1220023499. The next prime is 1220023577. The reversal of 1220023502 is 2053200221.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 248552 + ... + 253412.

It is an arithmetic number, because the mean of its divisors is an integer number (116170197).

Almost surely, 2^1220023502 is an apocalyptic number.

1220023502 is a deficient number, since it is larger than the sum of its proper divisors (638699650).

1220023502 is a wasteful number, since it uses less digits than its factorization.

1220023502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1220023502 is about 34928.8348216771. The cubic root of 1220023502 is about 1068.5365914670.

Adding to 1220023502 its reverse (2053200221), we get a palindrome (3273223723).

The spelling of 1220023502 in words is "one billion, two hundred twenty million, twenty-three thousand, five hundred two".