5020636636 has 12 divisors (see below), whose sum is σ = 8786612128. Its totient is φ = 2510176032.

The previous prime is 5020636619. The next prime is 5020636637. The reversal of 5020636636 is 6366360205.

It is a junction number, because it is equal to n+sod(n) for n = 5020636595 and 5020636604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5020636637) 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, 110125 + ... + 148891.

Almost surely, 2^5020636636 is an apocalyptic number.

It is an amenable number.

5020636636 is a deficient number, since it is larger than the sum of its proper divisors (3765975492).

5020636636 is a wasteful number, since it uses less digits than its factorization.

5020636636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71148 (or 71146 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 5020636636 is about 70856.4509130961. The cubic root of 5020636636 is about 1712.3252609176.

The spelling of 5020636636 in words is "five billion, twenty million, six hundred thirty-six thousand, six hundred thirty-six".