20464011 has 12 divisors (see below), whose sum is σ = 30001192. Its totient is φ = 13438656.

The previous prime is 20464009. The next prime is 20464027. The reversal of 20464011 is 11046402.

20464011 is a `hidden beast` number, since 20 + 4 + 640 + 1 + 1 = 666.

It is not a de Polignac number, because 20464011 - 2¹ = 20464009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20464211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16366 + ... + 17571.

Almost surely, 2^20464011 is an apocalyptic number.

20464011 is a deficient number, since it is larger than the sum of its proper divisors (9537181).

20464011 is a wasteful number, since it uses less digits than its factorization.

20464011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34010 (or 34007 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20464011 is about 4523.7165030537. The cubic root of 20464011 is about 273.5249329172.

It can be divided in two parts, 2046401 and 1, that added together give a palindrome (2046402).

The spelling of 20464011 in words is "twenty million, four hundred sixty-four thousand, eleven".