2020840697 has 8 divisors (see below), whose sum is σ = 2111728320. Its totient is φ = 1930205200.

The previous prime is 2020840693. The next prime is 2020840699. The reversal of 2020840697 is 7960480202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020840697 - 2² = 2020840693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020840697.

It is not an unprimeable number, because it can be changed into a prime (2020840693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46547 + ... + 78792.

It is an arithmetic number, because the mean of its divisors is an integer number (263966040).

Almost surely, 2^2020840697 is an apocalyptic number.

It is an amenable number.

2020840697 is a deficient number, since it is larger than the sum of its proper divisors (90887623).

2020840697 is a wasteful number, since it uses less digits than its factorization.

2020840697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126063.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2020840697 is about 44953.7617669534. The cubic root of 2020840697 is about 1264.2822086672.

The spelling of 2020840697 in words is "two billion, twenty million, eight hundred forty thousand, six hundred ninety-seven".