20676406132 has 6 divisors (see below), whose sum is σ = 36183710738. Its totient is φ = 10338203064.

The previous prime is 20676406087. The next prime is 20676406169. The reversal of 20676406132 is 23160467602.

It can be written as a sum of positive squares in only one way, i.e., 18874912996 + 1801493136 = 137386^2 + 42444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20676406091 and 20676406100.

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 as a sum of consecutive naturals, namely, 2584550763 + ... + 2584550770.

Almost surely, 2^20676406132 is an apocalyptic number.

It is an amenable number.

20676406132 is a deficient number, since it is larger than the sum of its proper divisors (15507304606).

20676406132 is a wasteful number, since it uses less digits than its factorization.

20676406132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169101537 (or 5169101535 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 20676406132 in words is "twenty billion, six hundred seventy-six million, four hundred six thousand, one hundred thirty-two".