20366120143 has 8 divisors (see below), whose sum is σ = 21192969600. Its totient is φ = 19555326168.

The previous prime is 20366120141. The next prime is 20366120147. The reversal of 20366120143 is 34102166302.

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 20366120143 - 2¹ = 20366120141 is a prime.

It is a super-2 number, since 2×20366120143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366120141) 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, 4011283 + ... + 4016356.

It is an arithmetic number, because the mean of its divisors is an integer number (2649121200).

Almost surely, 2^20366120143 is an apocalyptic number.

20366120143 is a deficient number, since it is larger than the sum of its proper divisors (826849457).

20366120143 is an equidigital number, since it uses as much as digits as its factorization.

20366120143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027741.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 20366120143 its reverse (34102166302), we get a palindrome (54468286445).

The spelling of 20366120143 in words is "twenty billion, three hundred sixty-six million, one hundred twenty thousand, one hundred forty-three".