20582490345 has 8 divisors (see below), whose sum is σ = 32931984576. Its totient is φ = 10977328176.

The previous prime is 20582490337. The next prime is 20582490377. The reversal of 20582490345 is 54309428502.

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

It is not a de Polignac number, because 20582490345 - 2³ = 20582490337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20582490297 and 20582490306.

It is an unprimeable number.

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, 686082997 + ... + 686083026.

It is an arithmetic number, because the mean of its divisors is an integer number (4116498072).

Almost surely, 2^20582490345 is an apocalyptic number.

It is an amenable number.

20582490345 is a deficient number, since it is larger than the sum of its proper divisors (12349494231).

20582490345 is a wasteful number, since it uses less digits than its factorization.

20582490345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372166031.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 20582490345 in words is "twenty billion, five hundred eighty-two million, four hundred ninety thousand, three hundred forty-five".