2020343511 has 16 divisors (see below), whose sum is σ = 2904733440. Its totient is φ = 1244882880.

The previous prime is 2020343497. The next prime is 2020343513. The reversal of 2020343511 is 1153430202.

It is not a de Polignac number, because 2020343511 - 2⁶ = 2020343447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020343513) 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, 429915 + ... + 434588.

It is an arithmetic number, because the mean of its divisors is an integer number (181545840).

Almost surely, 2^2020343511 is an apocalyptic number.

2020343511 is a deficient number, since it is larger than the sum of its proper divisors (884389929).

2020343511 is a wasteful number, since it uses less digits than its factorization.

2020343511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864566.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2020343511 is about 44948.2314557536. The cubic root of 2020343511 is about 1264.1785166786.

Adding to 2020343511 its reverse (1153430202), we get a palindrome (3173773713).

The spelling of 2020343511 in words is "two billion, twenty million, three hundred forty-three thousand, five hundred eleven".