20580360682261 has 8 divisors (see below), whose sum is σ = 20610414977024. Its totient is φ = 20550307171680.

The previous prime is 20580360682241. The next prime is 20580360682267. The reversal of 20580360682261 is 16228606308502.

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 20580360682261 - 2³³ = 20571770747669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20580360682267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71321305 + ... + 71609281.

It is an arithmetic number, because the mean of its divisors is an integer number (2576301872128).

Almost surely, 2^{20580360682261} is an apocalyptic number.

It is an amenable number.

20580360682261 is a deficient number, since it is larger than the sum of its proper divisors (30054294763).

20580360682261 is a wasteful number, since it uses less digits than its factorization.

20580360682261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392091.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 20580360682261 in words is "twenty trillion, five hundred eighty billion, three hundred sixty million, six hundred eighty-two thousand, two hundred sixty-one".