20824136941 has 2 divisors, whose sum is σ = 20824136942. Its totient is φ = 20824136940.

The previous prime is 20824136929. The next prime is 20824136947. The reversal of 20824136941 is 14963142802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15265838025 + 5558298916 = 123555^2 + 74554^2 .

It is a cyclic number.

It is not a de Polignac number, because 20824136941 - 2⁵ = 20824136909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20824136894 and 20824136903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20824136947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10412068470 + 10412068471.

It is an arithmetic number, because the mean of its divisors is an integer number (10412068471).

Almost surely, 2^20824136941 is an apocalyptic number.

It is an amenable number.

20824136941 is a deficient number, since it is larger than the sum of its proper divisors (1).

20824136941 is an equidigital number, since it uses as much as digits as its factorization.

20824136941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 20824136941 in words is "twenty billion, eight hundred twenty-four million, one hundred thirty-six thousand, nine hundred forty-one".