2020040511 has 4 divisors (see below), whose sum is σ = 2693387352. Its totient is φ = 1346693672.

The previous prime is 2020040479. The next prime is 2020040513. The reversal of 2020040511 is 1150400202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020040511 - 2⁵ = 2020040479 is a prime.

It is a super-2 number, since 2×2020040511² = 8161127332162282242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020040513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336673416 + ... + 336673421.

It is an arithmetic number, because the mean of its divisors is an integer number (673346838).

Almost surely, 2^2020040511 is an apocalyptic number.

2020040511 is a deficient number, since it is larger than the sum of its proper divisors (673346841).

2020040511 is an equidigital number, since it uses as much as digits as its factorization.

2020040511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673346840.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2020040511 is about 44944.8607851888. The cubic root of 2020040511 is about 1264.1153153403.

Adding to 2020040511 its reverse (1150400202), we get a palindrome (3170440713).

The spelling of 2020040511 in words is "two billion, twenty million, forty thousand, five hundred eleven".