20466136366 has 8 divisors (see below), whose sum is σ = 33060681864. Its totient is φ = 9445909080.

The previous prime is 20466136351. The next prime is 20466136373. The reversal of 20466136366 is 66363166402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 393579520 + ... + 393579571.

It is an arithmetic number, because the mean of its divisors is an integer number (4132585233).

Almost surely, 2^20466136366 is an apocalyptic number.

20466136366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20466136366 is a deficient number, since it is larger than the sum of its proper divisors (12594545498).

20466136366 is a wasteful number, since it uses less digits than its factorization.

20466136366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787159106.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 20466136366 in words is "twenty billion, four hundred sixty-six million, one hundred thirty-six thousand, three hundred sixty-six".