20002726636 has 12 divisors (see below), whose sum is σ = 35006544160. Its totient is φ = 10000856880.

The previous prime is 20002726633. The next prime is 20002726637. The reversal of 20002726636 is 63662720002.

It is not an unprimeable number, because it can be changed into a prime (20002726631) 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, 29460 + ... + 202171.

Almost surely, 2^20002726636 is an apocalyptic number.

It is an amenable number.

20002726636 is a deficient number, since it is larger than the sum of its proper divisors (15003817524).

20002726636 is a wasteful number, since it uses less digits than its factorization.

20002726636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253224 (or 253222 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 20002726636 in words is "twenty billion, two million, seven hundred twenty-six thousand, six hundred thirty-six".