20744507288053 has 2 divisors, whose sum is σ = 20744507288054. Its totient is φ = 20744507288052.

The previous prime is 20744507288041. The next prime is 20744507288101. The reversal of 20744507288053 is 35088270544702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12411684012484 + 8332823275569 = 3523022^2 + 2886663^2 .

It is a cyclic number.

It is not a de Polignac number, because 20744507288053 - 2¹³ = 20744507279861 is a prime.

It is a super-3 number, since 3×20744507288053³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20744507287985 and 20744507288003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20744507208053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10372253644026 + 10372253644027.

It is an arithmetic number, because the mean of its divisors is an integer number (10372253644027).

Almost surely, 2^{20744507288053} is an apocalyptic number.

It is an amenable number.

20744507288053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20744507288053 is an equidigital number, since it uses as much as digits as its factorization.

20744507288053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15052800, while the sum is 55.

The spelling of 20744507288053 in words is "twenty trillion, seven hundred forty-four billion, five hundred seven million, two hundred eighty-eight thousand, fifty-three".