20765992762 has 16 divisors (see below), whose sum is σ = 32985029952. Its totient is φ = 9771121600.

The previous prime is 20765992721. The next prime is 20765992777. The reversal of 20765992762 is 26729956702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322137 + ... + 381187.

It is an arithmetic number, because the mean of its divisors is an integer number (2061564372).

Almost surely, 2^20765992762 is an apocalyptic number.

20765992762 is a deficient number, since it is larger than the sum of its proper divisors (12219037190).

20765992762 is a wasteful number, since it uses less digits than its factorization.

20765992762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69413.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 20765992762 in words is "twenty billion, seven hundred sixty-five million, nine hundred ninety-two thousand, seven hundred sixty-two".