2020432556 has 12 divisors (see below), whose sum is σ = 3538234392. Its totient is φ = 1009508448.

The previous prime is 2020432553. The next prime is 2020432559. The reversal of 2020432556 is 6552340202.

It is an interprime number because it is at equal distance from previous prime (2020432553) and next prime (2020432559).

It is not an unprimeable number, because it can be changed into a prime (2020432553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170510 + ... + 181973.

It is an arithmetic number, because the mean of its divisors is an integer number (294852866).

Almost surely, 2^2020432556 is an apocalyptic number.

It is an amenable number.

2020432556 is a deficient number, since it is larger than the sum of its proper divisors (1517801836).

2020432556 is a wasteful number, since it uses less digits than its factorization.

2020432556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353920 (or 353918 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2020432556 is about 44949.2219732444. The cubic root of 2020432556 is about 1264.1970889530.

Adding to 2020432556 its reverse (6552340202), we get a palindrome (8572772758).

The spelling of 2020432556 in words is "two billion, twenty million, four hundred thirty-two thousand, five hundred fifty-six".