20392786012 has 12 divisors (see below), whose sum is σ = 35763797160. Its totient is φ = 10174558256.

The previous prime is 20392785977. The next prime is 20392786027. The reversal of 20392786012 is 21068729302.

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, 5456587 + ... + 5460322.

It is an arithmetic number, because the mean of its divisors is an integer number (2980316430).

Almost surely, 2^20392786012 is an apocalyptic number.

It is an amenable number.

20392786012 is a deficient number, since it is larger than the sum of its proper divisors (15371011148).

20392786012 is a wasteful number, since it uses less digits than its factorization.

20392786012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10917380 (or 10917378 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

It can be divided in two parts, 20392 and 786012, that added together give a square (806404 = 898²).

The spelling of 20392786012 in words is "twenty billion, three hundred ninety-two million, seven hundred eighty-six thousand, twelve".