1220030432 has 48 divisors (see below), whose sum is σ = 2677101840. Its totient is φ = 543909888.

The previous prime is 1220030411. The next prime is 1220030467. The reversal of 1220030432 is 2340300221.

It is a super-2 number, since 2×1220030432² = 2976948510012213248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1220030432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48683 + ... + 69354.

It is an arithmetic number, because the mean of its divisors is an integer number (55772955).

Almost surely, 2^1220030432 is an apocalyptic number.

It is an amenable number.

1220030432 is an abundant number, since it is smaller than the sum of its proper divisors (1457071408).

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

1220030432 is a wasteful number, since it uses less digits than its factorization.

1220030432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118083 (or 118075 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1220030432 is about 34928.9340232421. The cubic root of 1220030432 is about 1068.5386146370.

Adding to 1220030432 its reverse (2340300221), we get a palindrome (3560330653).

The spelling of 1220030432 in words is "one billion, two hundred twenty million, thirty thousand, four hundred thirty-two".