20493883366 has 8 divisors (see below), whose sum is σ = 33535445544. Its totient is φ = 9315401520.

The previous prime is 20493883327. The next prime is 20493883381. The reversal of 20493883366 is 66338839402.

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

It is a super-2 number, since 2×20493883366² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465770055 + ... + 465770098.

It is an arithmetic number, because the mean of its divisors is an integer number (4191930693).

Almost surely, 2^20493883366 is an apocalyptic number.

20493883366 is a deficient number, since it is larger than the sum of its proper divisors (13041562178).

20493883366 is a wasteful number, since it uses less digits than its factorization.

20493883366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931540166.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 20493883366 in words is "twenty billion, four hundred ninety-three million, eight hundred eighty-three thousand, three hundred sixty-six".