2020605653 has 8 divisors (see below), whose sum is σ = 2280307680. Its totient is φ = 1773572080.

The previous prime is 2020605607. The next prime is 2020605659. The reversal of 2020605653 is 3565060202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020605653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020605659) 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, 3166775 + ... + 3167412.

It is an arithmetic number, because the mean of its divisors is an integer number (285038460).

Almost surely, 2^2020605653 is an apocalyptic number.

It is an amenable number.

2020605653 is a deficient number, since it is larger than the sum of its proper divisors (259702027).

2020605653 is a wasteful number, since it uses less digits than its factorization.

2020605653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334227.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2020605653 is about 44951.1474047104. The cubic root of 2020605653 is about 1264.2331905416.

Adding to 2020605653 its reverse (3565060202), we get a palindrome (5585665855).

The spelling of 2020605653 in words is "two billion, twenty million, six hundred five thousand, six hundred fifty-three".