20658023053 has 2 divisors, whose sum is σ = 20658023054. Its totient is φ = 20658023052.

The previous prime is 20658023047. The next prime is 20658023119. The reversal of 20658023053 is 35032085602.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11799825129 + 8858197924 = 108627^2 + 94118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20658023053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20658023453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10329011526 + 10329011527.

It is an arithmetic number, because the mean of its divisors is an integer number (10329011527).

Almost surely, 2^20658023053 is an apocalyptic number.

It is an amenable number.

20658023053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20658023053 is an equidigital number, since it uses as much as digits as its factorization.

20658023053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 20658023053 in words is "twenty billion, six hundred fifty-eight million, twenty-three thousand, fifty-three".