2020101009989 has 2 divisors, whose sum is σ = 2020101009990. Its totient is φ = 2020101009988.

The previous prime is 2020101009967. The next prime is 2020101010003. The reversal of 2020101009989 is 9899001010202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1505700784900 + 514400225089 = 1227070^2 + 717217^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020101009989 - 2¹² = 2020101005893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020101009089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010050504994 + 1010050504995.

It is an arithmetic number, because the mean of its divisors is an integer number (1010050504995).

Almost surely, 2^{2020101009989} is an apocalyptic number.

It is an amenable number.

2020101009989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020101009989 is an equidigital number, since it uses as much as digits as its factorization.

2020101009989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 2020101009989 in words is "two trillion, twenty billion, one hundred one million, nine thousand, nine hundred eighty-nine".