20767226504 has 32 divisors (see below), whose sum is σ = 40386951000. Its totient is φ = 10002931200.

The previous prime is 20767226497. The next prime is 20767226527. The reversal of 20767226504 is 40562276702.

It can be written as a sum of positive squares in 4 ways, for example, as 19853373604 + 913852900 = 140902^2 + 30230^2 .

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 7 ways as a sum of consecutive naturals, for example, 317429 + ... + 377220.

Almost surely, 2^20767226504 is an apocalyptic number.

It is an amenable number.

20767226504 is a deficient number, since it is larger than the sum of its proper divisors (19619724496).

20767226504 is a wasteful number, since it uses less digits than its factorization.

20767226504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694793 (or 694789 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 20767226504 in words is "twenty billion, seven hundred sixty-seven million, two hundred twenty-six thousand, five hundred four".