20432982 has 16 divisors (see below), whose sum is σ = 40911552. Its totient is φ = 6803400.

The previous prime is 20432981. The next prime is 20433013. The reversal of 20432982 is 28923402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7533 + ... + 9879.

It is an arithmetic number, because the mean of its divisors is an integer number (2556972).

Almost surely, 2^20432982 is an apocalyptic number.

20432982 is an abundant number, since it is smaller than the sum of its proper divisors (20478570).

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

20432982 is a wasteful number, since it uses less digits than its factorization.

20432982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20432982 is about 4520.2856104454. The cubic root of 20432982 is about 273.3866169504.

The spelling of 20432982 in words is "twenty million, four hundred thirty-two thousand, nine hundred eighty-two".