20587482 has 12 divisors (see below), whose sum is σ = 44606250. Its totient is φ = 6862488.

The previous prime is 20587451. The next prime is 20587487. The reversal of 20587482 is 28478502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19793601 + 793881 = 4449^2 + 891^2 .

It is not an unprimeable number, because it can be changed into a prime (20587487) 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 5 ways as a sum of consecutive naturals, for example, 571857 + ... + 571892.

Almost surely, 2^20587482 is an apocalyptic number.

20587482 is an abundant number, since it is smaller than the sum of its proper divisors (24018768).

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

20587482 is a wasteful number, since it uses less digits than its factorization.

20587482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143757 (or 1143754 counting only the distinct ones).

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

The square root of 20587482 is about 4537.3430551370. The cubic root of 20587482 is about 274.0739406537.

The spelling of 20587482 in words is "twenty million, five hundred eighty-seven thousand, four hundred eighty-two".