1220030032 has 40 divisors (see below), whose sum is σ = 2656329984. Its totient is φ = 538606464.

The previous prime is 1220030011. The next prime is 1220030039. The reversal of 1220030032 is 2300300221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1220029994 and 1220030021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220030039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122728 + ... + 132295.

Almost surely, 2^1220030032 is an apocalyptic number.

It is an amenable number.

1220030032 is an abundant number, since it is smaller than the sum of its proper divisors (1436299952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220030032 is a wasteful number, since it uses less digits than its factorization.

1220030032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255067 (or 255061 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1220030032 is about 34928.9282973297. The cubic root of 1220030032 is about 1068.5384978597.

Adding to 1220030032 its reverse (2300300221), we get a palindrome (3520330253).

The spelling of 1220030032 in words is "one billion, two hundred twenty million, thirty thousand, thirty-two".