20001142199 has 8 divisors (see below), whose sum is σ = 20429266368. Its totient is φ = 19573125120.

The previous prime is 20001142169. The next prime is 20001142201. The reversal of 20001142199 is 99124110002.

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 20001142199 - 2¹² = 20001138103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001142159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434999 + ... + 478775.

It is an arithmetic number, because the mean of its divisors is an integer number (2553658296).

Almost surely, 2^20001142199 is an apocalyptic number.

20001142199 is a deficient number, since it is larger than the sum of its proper divisors (428124169).

20001142199 is an equidigital number, since it uses as much as digits as its factorization.

20001142199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53545.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 20001142199 in words is "twenty billion, one million, one hundred forty-two thousand, one hundred ninety-nine".