2020660667705 has 8 divisors (see below), whose sum is σ = 2448334479552. Its totient is φ = 1600834081968.

The previous prime is 2020660667677. The next prime is 2020660667821. The reversal of 2020660667705 is 5077660660202.

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 2020660667705 - 2²² = 2020656473401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020660667705.

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, 1961805959 + ... + 1961806988.

It is an arithmetic number, because the mean of its divisors is an integer number (306041809944).

Almost surely, 2^{2020660667705} is an apocalyptic number.

It is an amenable number.

2020660667705 is a deficient number, since it is larger than the sum of its proper divisors (427673811847).

2020660667705 is a wasteful number, since it uses less digits than its factorization.

2020660667705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923613055.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 2020660667705 in words is "two trillion, twenty billion, six hundred sixty million, six hundred sixty-seven thousand, seven hundred five".