20331022099966 has 8 divisors (see below), whose sum is σ = 30496554689544. Its totient is φ = 10165503870120.

The previous prime is 20331022099951. The next prime is 20331022099967. The reversal of 20331022099966 is 66999022013302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331022099967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260201 + ... + 6500011.

It is an arithmetic number, because the mean of its divisors is an integer number (3812069336193).

Almost surely, 2^{20331022099966} is an apocalyptic number.

20331022099966 is a deficient number, since it is larger than the sum of its proper divisors (10165532589578).

20331022099966 is a wasteful number, since it uses less digits than its factorization.

20331022099966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7179866.

The product of its (nonzero) digits is 1889568, while the sum is 52.

The spelling of 20331022099966 in words is "twenty trillion, three hundred thirty-one billion, twenty-two million, ninety-nine thousand, nine hundred sixty-six".