20875482 has 20 divisors (see below), whose sum is σ = 46776906. Its totient is φ = 6958440.

The previous prime is 20875453. The next prime is 20875483. The reversal of 20875482 is 28457802.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19527561 + 1347921 = 4419^2 + 1161^2 .

It is not an unprimeable number, because it can be changed into a prime (20875483) 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 9 ways as a sum of consecutive naturals, for example, 64269 + ... + 64592.

Almost surely, 2^20875482 is an apocalyptic number.

20875482 is an abundant number, since it is smaller than the sum of its proper divisors (25901424).

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

20875482 is a wasteful number, since it uses less digits than its factorization.

20875482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128875 (or 128866 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 20875482 is about 4568.9694680529. The cubic root of 20875482 is about 275.3460415170.

It can be divided in two parts, 2087 and 5482, that added together give a square (7569 = 87²).

The spelling of 20875482 in words is "twenty million, eight hundred seventy-five thousand, four hundred eighty-two".