2020858064 has 20 divisors (see below), whose sum is σ = 3919450404. Its totient is φ = 1009387008.

The previous prime is 2020858001. The next prime is 2020858067. The reversal of 2020858064 is 4608580202.

It can be written as a sum of positive squares in 2 ways, for example, as 1637011600 + 383846464 = 40460^2 + 19592^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020858067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49007 + ... + 80270.

Almost surely, 2^2020858064 is an apocalyptic number.

It is an amenable number.

2020858064 is a deficient number, since it is larger than the sum of its proper divisors (1898592340).

2020858064 is a wasteful number, since it uses less digits than its factorization.

2020858064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130262 (or 130256 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 2020858064 is about 44953.9549316854. The cubic root of 2020858064 is about 1264.2858303820.

The spelling of 2020858064 in words is "two billion, twenty million, eight hundred fifty-eight thousand, sixty-four".