20848011 has 4 divisors (see below), whose sum is σ = 27797352. Its totient is φ = 13898672.

The previous prime is 20848007. The next prime is 20848019. The reversal of 20848011 is 11084802.

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 20848011 - 2² = 20848007 is a prime.

It is a super-2 number, since 2×20848011² = 869279125312242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20848019) 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, 3474666 + ... + 3474671.

It is an arithmetic number, because the mean of its divisors is an integer number (6949338).

Almost surely, 2^20848011 is an apocalyptic number.

20848011 is a deficient number, since it is larger than the sum of its proper divisors (6949341).

20848011 is an equidigital number, since it uses as much as digits as its factorization.

20848011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949340.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 20848011 is about 4565.9622206059. The cubic root of 20848011 is about 275.2252083551.

It can be divided in two parts, 2084801 and 1, that added together give a palindrome (2084802).

The spelling of 20848011 in words is "twenty million, eight hundred forty-eight thousand, eleven".