20653306441 has 2 divisors, whose sum is σ = 20653306442. Its totient is φ = 20653306440.

The previous prime is 20653306433. The next prime is 20653306493. The reversal of 20653306441 is 14460335602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12572015625 + 8081290816 = 112125^2 + 89896^2 .

It is a cyclic number.

It is not a de Polignac number, because 20653306441 - 2³ = 20653306433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20653306397 and 20653306406.

It is not a weakly prime, because it can be changed into another prime (20653306241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10326653220 + 10326653221.

It is an arithmetic number, because the mean of its divisors is an integer number (10326653221).

Almost surely, 2^20653306441 is an apocalyptic number.

It is an amenable number.

20653306441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20653306441 is an equidigital number, since it uses as much as digits as its factorization.

20653306441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 20653306441 in words is "twenty billion, six hundred fifty-three million, three hundred six thousand, four hundred forty-one".