2010020999989 has 2 divisors, whose sum is σ = 2010020999990. Its totient is φ = 2010020999988.

The previous prime is 2010020999969. The next prime is 2010021000023. The reversal of 2010020999989 is 9899990200102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1807255412964 + 202765587025 = 1344342^2 + 450295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010020999989 - 2²³ = 2010012611381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010020999939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005010499994 + 1005010499995.

It is an arithmetic number, because the mean of its divisors is an integer number (1005010499995).

Almost surely, 2^{2010020999989} is an apocalyptic number.

It is an amenable number.

2010020999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010020999989 is an equidigital number, since it uses as much as digits as its factorization.

2010020999989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 58.

The spelling of 2010020999989 in words is "two trillion, ten billion, twenty million, nine hundred ninety-nine thousand, nine hundred eighty-nine".