20833518941 has 2 divisors, whose sum is σ = 20833518942. Its totient is φ = 20833518940.

The previous prime is 20833518919. The next prime is 20833518973. The reversal of 20833518941 is 14981533802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11225402500 + 9608116441 = 105950^2 + 98021^2 .

It is a cyclic number.

It is not a de Polignac number, because 20833518941 - 2¹⁸ = 20833256797 is a prime.

It is a super-2 number, since 2×20833518941² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20833518892 and 20833518901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20833518911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10416759470 + 10416759471.

It is an arithmetic number, because the mean of its divisors is an integer number (10416759471).

Almost surely, 2^20833518941 is an apocalyptic number.

It is an amenable number.

20833518941 is a deficient number, since it is larger than the sum of its proper divisors (1).

20833518941 is an equidigital number, since it uses as much as digits as its factorization.

20833518941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 20833518941 in words is "twenty billion, eight hundred thirty-three million, five hundred eighteen thousand, nine hundred forty-one".