1220232002 has 24 divisors (see below), whose sum is σ = 2027762688. Its totient is φ = 550269720.

The previous prime is 1220231989. The next prime is 1220232007. The reversal of 1220232002 is 2002320221.

It is a super-2 number, since 2×1220232002² = 2977932277409856008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220232007) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10883 + ... + 50585.

It is an arithmetic number, because the mean of its divisors is an integer number (84490112).

Almost surely, 2^1220232002 is an apocalyptic number.

1220232002 is a deficient number, since it is larger than the sum of its proper divisors (807530686).

1220232002 is a wasteful number, since it uses less digits than its factorization.

1220232002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39854 (or 39843 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1220232002 is about 34931.8193342402. The cubic root of 1220232002 is about 1068.5974583789.

Adding to 1220232002 its reverse (2002320221), we get a palindrome (3222552223).

The spelling of 1220232002 in words is "one billion, two hundred twenty million, two hundred thirty-two thousand, two".