20183631046221 has 8 divisors (see below), whose sum is σ = 26911532793600. Its totient is φ = 13455741664832.

The previous prime is 20183631046153. The next prime is 20183631046223. The reversal of 20183631046221 is 12264013638102.

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

It is a cyclic number.

It is not a de Polignac number, because 20183631046221 - 2¹¹ = 20183631044173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20183631046221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20183631046223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841380 + ... + 6614978.

It is an arithmetic number, because the mean of its divisors is an integer number (3363941599200).

Almost surely, 2^{20183631046221} is an apocalyptic number.

It is an amenable number.

20183631046221 is a deficient number, since it is larger than the sum of its proper divisors (6727901747379).

20183631046221 is a wasteful number, since it uses less digits than its factorization.

20183631046221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182995.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 20183631046221 in words is "twenty trillion, one hundred eighty-three billion, six hundred thirty-one million, forty-six thousand, two hundred twenty-one".