2020745 has 16 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 1507968.

The previous prime is 2020729. The next prime is 2020771. The reversal of 2020745 is 5470202.

It is a cyclic number.

It is not a de Polignac number, because 2020745 - 2⁴ = 2020729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8336 + ... + 8574.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

2^2020745 is an apocalyptic number.

It is an amenable number.

2020745 is a deficient number, since it is larger than the sum of its proper divisors (571255).

2020745 is a wasteful number, since it uses less digits than its factorization.

2020745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2020745 is about 1421.5291062796. The cubic root of 2020745 is about 126.4262251639.

Adding to 2020745 its reverse (5470202), we get a palindrome (7490947).

The spelling of 2020745 in words is "two million, twenty thousand, seven hundred forty-five".