20466610288 has 20 divisors (see below), whose sum is σ = 39686678640. Its totient is φ = 10224886784.

The previous prime is 20466610279. The next prime is 20466610319. The reversal of 20466610288 is 88201666402.

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, 506068 + ... + 545011.

It is an arithmetic number, because the mean of its divisors is an integer number (1984333932).

Almost surely, 2^20466610288 is an apocalyptic number.

It is an amenable number.

20466610288 is a deficient number, since it is larger than the sum of its proper divisors (19220068352).

20466610288 is a wasteful number, since it uses less digits than its factorization.

20466610288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052304 (or 1052298 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 20466610288 in words is "twenty billion, four hundred sixty-six million, six hundred ten thousand, two hundred eighty-eight".