2020636064 has 48 divisors (see below), whose sum is σ = 4032390600. Its totient is φ = 996593664.

The previous prime is 2020636027. The next prime is 2020636067. The reversal of 2020636064 is 4606360202.

It can be written as a sum of positive squares in 4 ways, for example, as 1973136400 + 47499664 = 44420^2 + 6892^2 .

It is not an unprimeable number, because it can be changed into a prime (2020636067) 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, 2303594 + ... + 2304470.

Almost surely, 2^2020636064 is an apocalyptic number.

It is an amenable number.

2020636064 is a deficient number, since it is larger than the sum of its proper divisors (2011754536).

2020636064 is an equidigital number, since it uses as much as digits as its factorization.

2020636064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2020636064 is about 44951.4856706650. The cubic root of 2020636064 is about 1264.2395329308.

Adding to 2020636064 its reverse (4606360202), we get a palindrome (6626996266).

The spelling of 2020636064 in words is "two billion, twenty million, six hundred thirty-six thousand, sixty-four".