2020298661 has 12 divisors (see below), whose sum is σ = 2922528492. Its totient is φ = 1344872256.

The previous prime is 2020298653. The next prime is 2020298677. The reversal of 2020298661 is 1668920202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1236858561 + 783440100 = 35169^2 + 27990^2 .

It is not a de Polignac number, because 2020298661 - 2³ = 2020298653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020298641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159696 + ... + 171881.

It is an arithmetic number, because the mean of its divisors is an integer number (243544041).

Almost surely, 2^2020298661 is an apocalyptic number.

It is an amenable number.

2020298661 is a deficient number, since it is larger than the sum of its proper divisors (902229831).

2020298661 is a wasteful number, since it uses less digits than its factorization.

2020298661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332260 (or 332257 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2020298661 is about 44947.7325457025. The cubic root of 2020298661 is about 1264.1691620275.

The spelling of 2020298661 in words is "two billion, twenty million, two hundred ninety-eight thousand, six hundred sixty-one".