2000020889129 has 2 divisors, whose sum is σ = 2000020889130. Its totient is φ = 2000020889128.

The previous prime is 2000020889089. The next prime is 2000020889161. The reversal of 2000020889129 is 9219880200002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1729953586729 + 270067302400 = 1315277^2 + 519680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000020889129 - 2²⁴ = 2000004111913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000020889729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000010444564 + 1000010444565.

It is an arithmetic number, because the mean of its divisors is an integer number (1000010444565).

Almost surely, 2^{2000020889129} is an apocalyptic number.

It is an amenable number.

2000020889129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000020889129 is an equidigital number, since it uses as much as digits as its factorization.

2000020889129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 2000020889129 in words is "two trillion, twenty million, eight hundred eighty-nine thousand, one hundred twenty-nine".