2020056705 has 32 divisors (see below), whose sum is σ = 3802464000. Its totient is φ = 1013988096.

The previous prime is 2020056697. The next prime is 2020056721. The reversal of 2020056705 is 5076500202.

It is not a de Polignac number, because 2020056705 - 2³ = 2020056697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437805 + ... + 442394.

It is an arithmetic number, because the mean of its divisors is an integer number (118827000).

Almost surely, 2^2020056705 is an apocalyptic number.

It is an amenable number.

2020056705 is a deficient number, since it is larger than the sum of its proper divisors (1782407295).

2020056705 is a wasteful number, since it uses less digits than its factorization.

2020056705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880230 (or 880224 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 2020056705 is about 44945.0409389067. The cubic root of 2020056705 is about 1264.1186933301.

Adding to 2020056705 its reverse (5076500202), we get a palindrome (7096556907).

The spelling of 2020056705 in words is "two billion, twenty million, fifty-six thousand, seven hundred five".