20195776732 has 6 divisors (see below), whose sum is σ = 35342609288. Its totient is φ = 10097888364.

The previous prime is 20195776729. The next prime is 20195776747. The reversal of 20195776732 is 23767759102.

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, 2524472088 + ... + 2524472095.

Almost surely, 2^20195776732 is an apocalyptic number.

It is an amenable number.

20195776732 is a deficient number, since it is larger than the sum of its proper divisors (15146832556).

20195776732 is a wasteful number, since it uses less digits than its factorization.

20195776732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048944187 (or 5048944185 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

The spelling of 20195776732 in words is "twenty billion, one hundred ninety-five million, seven hundred seventy-six thousand, seven hundred thirty-two".