20606056532 has 12 divisors (see below), whose sum is σ = 36078042420. Its totient is φ = 10298044416.

The previous prime is 20606056519. The next prime is 20606056547. The reversal of 20606056532 is 23565060602.

It can be written as a sum of positive squares in 2 ways, for example, as 9096199876 + 11509856656 = 95374^2 + 107284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20606056492 and 20606056501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1236653 + ... + 1253204.

It is an arithmetic number, because the mean of its divisors is an integer number (3006503535).

Almost surely, 2^20606056532 is an apocalyptic number.

It is an amenable number.

20606056532 is a deficient number, since it is larger than the sum of its proper divisors (15471985888).

20606056532 is a wasteful number, since it uses less digits than its factorization.

20606056532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491930 (or 2491928 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 20606056532 in words is "twenty billion, six hundred six million, fifty-six thousand, five hundred thirty-two".