20939583053 has 2 divisors, whose sum is σ = 20939583054. Its totient is φ = 20939583052.

The previous prime is 20939583047. The next prime is 20939583059. The reversal of 20939583053 is 35038593902.

It is a balanced prime because it is at equal distance from previous prime (20939583047) and next prime (20939583059).

It can be written as a sum of positive squares in only one way, i.e., 17329616164 + 3609966889 = 131642^2 + 60083^2 .

It is a cyclic number.

It is not a de Polignac number, because 20939583053 - 2⁴ = 20939583037 is a prime.

It is a super-2 number, since 2×20939583053² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20939582989 and 20939583007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20939583059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10469791526 + 10469791527.

It is an arithmetic number, because the mean of its divisors is an integer number (10469791527).

Almost surely, 2^20939583053 is an apocalyptic number.

It is an amenable number.

20939583053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20939583053 is an equidigital number, since it uses as much as digits as its factorization.

20939583053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 20939583053 in words is "twenty billion, nine hundred thirty-nine million, five hundred eighty-three thousand, fifty-three".