1220052432 has 40 divisors (see below), whose sum is σ = 3157190784. Its totient is φ = 405988864.

The previous prime is 1220052391. The next prime is 1220052437. The reversal of 1220052432 is 2342500221.

It is a super-2 number, since 2×1220052432² = 2977055873658229248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220052399 and 1220052408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220052437) 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, 7033 + ... + 49895.

Almost surely, 2^1220052432 is an apocalyptic number.

1220052432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220052432 is an abundant number, since it is smaller than the sum of its proper divisors (1937138352).

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

1220052432 is a wasteful number, since it uses less digits than its factorization.

1220052432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43467 (or 43461 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1220052432 is about 34929.2489469785. The cubic root of 1220052432 is about 1068.5450373478.

Adding to 1220052432 its reverse (2342500221), we get a palindrome (3562552653).

The spelling of 1220052432 in words is "one billion, two hundred twenty million, fifty-two thousand, four hundred thirty-two".