20575482587 has 8 divisors (see below), whose sum is σ = 22826422080. Its totient is φ = 18387949960.

The previous prime is 20575482581. The next prime is 20575482589. The reversal of 20575482587 is 78528457502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20575482587 - 2¹⁴ = 20575466203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20575482581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15851033 + ... + 15852330.

It is an arithmetic number, because the mean of its divisors is an integer number (2853302760).

Almost surely, 2^20575482587 is an apocalyptic number.

20575482587 is a deficient number, since it is larger than the sum of its proper divisors (2250939493).

20575482587 is a wasteful number, since it uses less digits than its factorization.

20575482587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31703433.

The product of its (nonzero) digits is 6272000, while the sum is 53.

The spelling of 20575482587 in words is "twenty billion, five hundred seventy-five million, four hundred eighty-two thousand, five hundred eighty-seven".