20632555026 has 12 divisors (see below), whose sum is σ = 44703869262. Its totient is φ = 6877518336.

The previous prime is 20632554991. The next prime is 20632555033. The reversal of 20632555026 is 62055523602.

20632555026 is a `hidden beast` number, since 2 + 0 + 63 + 25 + 550 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20334474801 + 298080225 = 142599^2 + 17265^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 573126511 + ... + 573126546.

Almost surely, 2^20632555026 is an apocalyptic number.

20632555026 is an abundant number, since it is smaller than the sum of its proper divisors (24071314236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20632555026 is a wasteful number, since it uses less digits than its factorization.

20632555026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146253065 (or 1146253062 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 20632555026 in words is "twenty billion, six hundred thirty-two million, five hundred fifty-five thousand, twenty-six".