20321066331244 has 24 divisors (see below), whose sum is σ = 40646936603168. Its totient is φ = 8707999011840.

The previous prime is 20321066331193. The next prime is 20321066331331. The reversal of 20321066331244 is 44213366012302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42651189 + ... + 43125004.

Almost surely, 2^{20321066331244} is an apocalyptic number.

It is an amenable number.

20321066331244 is an abundant number, since it is smaller than the sum of its proper divisors (20325870271924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20321066331244 is a wasteful number, since it uses less digits than its factorization.

20321066331244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85784665 (or 85784663 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 20321066331244 in words is "twenty trillion, three hundred twenty-one billion, sixty-six million, three hundred thirty-one thousand, two hundred forty-four".