20672762276 has 12 divisors (see below), whose sum is σ = 36237734400. Its totient is φ = 10319123880.

The previous prime is 20672762267. The next prime is 20672762309. The reversal of 20672762276 is 67226727602.

It is a self number, because there is not a number n which added to its sum of digits gives 20672762276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4311620 + ... + 4316411.

It is an arithmetic number, because the mean of its divisors is an integer number (3019811200).

Almost surely, 2^20672762276 is an apocalyptic number.

It is an amenable number.

20672762276 is a deficient number, since it is larger than the sum of its proper divisors (15564972124).

20672762276 is a wasteful number, since it uses less digits than its factorization.

20672762276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628634 (or 8628632 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 20672762276 in words is "twenty billion, six hundred seventy-two million, seven hundred sixty-two thousand, two hundred seventy-six".