20800004041 has 2 divisors, whose sum is σ = 20800004042. Its totient is φ = 20800004040.

The previous prime is 20800003981. The next prime is 20800004059. The reversal of 20800004041 is 14040000802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20362148416 + 437855625 = 142696^2 + 20925^2 .

It is a cyclic number.

It is not a de Polignac number, because 20800004041 - 2¹³ = 20799995849 is a prime.

It is not a weakly prime, because it can be changed into another prime (20800014041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10400002020 + 10400002021.

It is an arithmetic number, because the mean of its divisors is an integer number (10400002021).

Almost surely, 2^20800004041 is an apocalyptic number.

It is an amenable number.

20800004041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20800004041 is an equidigital number, since it uses as much as digits as its factorization.

20800004041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20800004041 its reverse (14040000802), we get a palindrome (34840004843).

The spelling of 20800004041 in words is "twenty billion, eight hundred million, four thousand, forty-one".