2020305345 has 16 divisors (see below), whose sum is σ = 3263874432. Its totient is φ = 1067034240.

The previous prime is 2020305341. The next prime is 2020305361. The reversal of 2020305345 is 5435030202.

It is not a de Polignac number, because 2020305345 - 2² = 2020305341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020305341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652276 + ... + 655365.

It is an arithmetic number, because the mean of its divisors is an integer number (203992152).

Almost surely, 2^2020305345 is an apocalyptic number.

It is an amenable number.

2020305345 is a deficient number, since it is larger than the sum of its proper divisors (1243569087).

2020305345 is a wasteful number, since it uses less digits than its factorization.

2020305345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307752.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 2020305345 is about 44947.8068986686. The cubic root of 2020305345 is about 1264.1705561609.

Adding to 2020305345 its reverse (5435030202), we get a palindrome (7455335547).

The spelling of 2020305345 in words is "two billion, twenty million, three hundred five thousand, three hundred forty-five".