2020664025 has 18 divisors (see below), whose sum is σ = 3619234190. Its totient is φ = 1077687360.

The previous prime is 2020664021. The next prime is 2020664053. The reversal of 2020664025 is 5204660202.

2020664025 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 342287001 + 1678377024 = 18501^2 + 40968^2 .

It is not a de Polignac number, because 2020664025 - 2² = 2020664021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020664025.

It is not an unprimeable number, because it can be changed into a prime (2020664021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4490140 + ... + 4490589.

Almost surely, 2^2020664025 is an apocalyptic number.

2020664025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2020664025 is a deficient number, since it is larger than the sum of its proper divisors (1598570165).

2020664025 is a wasteful number, since it uses less digits than its factorization.

2020664025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980745 (or 8980737 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2020664025 is about 44951.7966826689. The cubic root of 2020664025 is about 1264.2453643023.

The spelling of 2020664025 in words is "two billion, twenty million, six hundred sixty-four thousand, twenty-five".