20541304011 has 16 divisors (see below), whose sum is σ = 27918120960. Its totient is φ = 13431344640.

The previous prime is 20541304001. The next prime is 20541304013. The reversal of 20541304011 is 11040314502.

It is not a de Polignac number, because 20541304011 - 2⁹ = 20541303499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20541304013) 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, 208731 + ... + 290948.

It is an arithmetic number, because the mean of its divisors is an integer number (1744882560).

Almost surely, 2^20541304011 is an apocalyptic number.

20541304011 is a deficient number, since it is larger than the sum of its proper divisors (7376816949).

20541304011 is a wasteful number, since it uses less digits than its factorization.

20541304011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499946.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20541304011 its reverse (11040314502), we get a palindrome (31581618513).

The spelling of 20541304011 in words is "twenty billion, five hundred forty-one million, three hundred four thousand, eleven".