20711737466 has 32 divisors (see below), whose sum is σ = 37609557120. Its totient is φ = 8350949376.

The previous prime is 20711737457. The next prime is 20711737471. The reversal of 20711737466 is 66473711702.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 623801 + ... + 656163.

It is an arithmetic number, because the mean of its divisors is an integer number (1175298660).

Almost surely, 2^20711737466 is an apocalyptic number.

20711737466 is a deficient number, since it is larger than the sum of its proper divisors (16897819654).

20711737466 is a wasteful number, since it uses less digits than its factorization.

20711737466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35078.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 20711737466 in words is "twenty billion, seven hundred eleven million, seven hundred thirty-seven thousand, four hundred sixty-six".