20346954053 has 2 divisors, whose sum is σ = 20346954054. Its totient is φ = 20346954052.

The previous prime is 20346954037. The next prime is 20346954079. The reversal of 20346954053 is 35045964302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19189729729 + 1157224324 = 138527^2 + 34018^2 .

It is a cyclic number.

It is not a de Polignac number, because 20346954053 - 2⁴ = 20346954037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20346954053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20346954013) 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, 10173477026 + 10173477027.

It is an arithmetic number, because the mean of its divisors is an integer number (10173477027).

Almost surely, 2^20346954053 is an apocalyptic number.

It is an amenable number.

20346954053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20346954053 is an equidigital number, since it uses as much as digits as its factorization.

20346954053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 20346954053 in words is "twenty billion, three hundred forty-six million, nine hundred fifty-four thousand, fifty-three".