20580360682258 has 16 divisors (see below), whose sum is σ = 33290553032856. Its totient is φ = 9485669433600.

The previous prime is 20580360682241. The next prime is 20580360682267. The reversal of 20580360682258 is 85228606308502.

It can be written as a sum of positive squares in 4 ways, for example, as 20502177252489 + 78183429769 = 4527933^2 + 279613^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20580360682199 and 20580360682208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539921143 + ... + 539959258.

Almost surely, 2^{20580360682258} is an apocalyptic number.

20580360682258 is a deficient number, since it is larger than the sum of its proper divisors (12710192350598).

20580360682258 is a wasteful number, since it uses less digits than its factorization.

20580360682258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079881149.

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 20580360682258 in words is "twenty trillion, five hundred eighty billion, three hundred sixty million, six hundred eighty-two thousand, two hundred fifty-eight".