20052611 has 4 divisors (see below), whose sum is σ = 20062224. Its totient is φ = 20043000.

The previous prime is 20052587. The next prime is 20052623. The reversal of 20052611 is 11625002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20052611 - 2¹⁰ = 20051587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20052611.

It is not an unprimeable number, because it can be changed into a prime (20052671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 6336.

It is an arithmetic number, because the mean of its divisors is an integer number (5015556).

Almost surely, 2^20052611 is an apocalyptic number.

20052611 is a deficient number, since it is larger than the sum of its proper divisors (9613).

20052611 is an equidigital number, since it uses as much as digits as its factorization.

20052611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9612.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20052611 is about 4478.0141804152. The cubic root of 20052611 is about 271.6795669703.

Adding to 20052611 its reverse (11625002), we get a palindrome (31677613).

The spelling of 20052611 in words is "twenty million, fifty-two thousand, six hundred eleven".