2020354509 has 8 divisors (see below), whose sum is σ = 2721577600. Its totient is φ = 1333017216.

The previous prime is 2020354507. The next prime is 2020354577. The reversal of 2020354509 is 9054530202.

2020354509 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2020354509 - 2¹ = 2020354507 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020354507) 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, 3471109 + ... + 3471690.

It is an arithmetic number, because the mean of its divisors is an integer number (340197200).

Almost surely, 2^2020354509 is an apocalyptic number.

It is an amenable number.

2020354509 is a deficient number, since it is larger than the sum of its proper divisors (701223091).

2020354509 is an equidigital number, since it uses as much as digits as its factorization.

2020354509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942899.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2020354509 is about 44948.3537963294. The cubic root of 2020354509 is about 1264.1808105806.

The spelling of 2020354509 in words is "two billion, twenty million, three hundred fifty-four thousand, five hundred nine".