2020432555 has 4 divisors (see below), whose sum is σ = 2424519072. Its totient is φ = 1616346040.

The previous prime is 2020432553. The next prime is 2020432559. The reversal of 2020432555 is 5552340202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2020432555 - 2¹ = 2020432553 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202043251 + ... + 202043260.

It is an arithmetic number, because the mean of its divisors is an integer number (606129768).

Almost surely, 2^2020432555 is an apocalyptic number.

2020432555 is a deficient number, since it is larger than the sum of its proper divisors (404086517).

2020432555 is an equidigital number, since it uses as much as digits as its factorization.

2020432555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404086516.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2020432555 is about 44949.2219621208. The cubic root of 2020432555 is about 1264.1970887445.

Adding to 2020432555 its reverse (5552340202), we get a palindrome (7572772757).

The spelling of 2020432555 in words is "two billion, twenty million, four hundred thirty-two thousand, five hundred fifty-five".