20366141721 has 8 divisors (see below), whose sum is σ = 28091230080. Its totient is φ = 13109240592.

The previous prime is 20366141701. The next prime is 20366141749. The reversal of 20366141721 is 12714166302.

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

It is not a de Polignac number, because 20366141721 - 2¹⁴ = 20366125337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20366141701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117046705 + ... + 117046878.

It is an arithmetic number, because the mean of its divisors is an integer number (3511403760).

Almost surely, 2^20366141721 is an apocalyptic number.

It is an amenable number.

20366141721 is a deficient number, since it is larger than the sum of its proper divisors (7725088359).

20366141721 is a wasteful number, since it uses less digits than its factorization.

20366141721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234093615.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 20366141721 in words is "twenty billion, three hundred sixty-six million, one hundred forty-one thousand, seven hundred twenty-one".