20001200159 has 2 divisors, whose sum is σ = 20001200160. Its totient is φ = 20001200158.

The previous prime is 20001200143. The next prime is 20001200209. The reversal of 20001200159 is 95100210002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20001200159 - 2⁴ = 20001200143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20001200159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20001200119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000600079 + 10000600080.

It is an arithmetic number, because the mean of its divisors is an integer number (10000600080).

Almost surely, 2^20001200159 is an apocalyptic number.

20001200159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001200159 is an equidigital number, since it uses as much as digits as its factorization.

20001200159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The spelling of 20001200159 in words is "twenty billion, one million, two hundred thousand, one hundred fifty-nine".