20020052653 has 2 divisors, whose sum is σ = 20020052654. Its totient is φ = 20020052652.

The previous prime is 20020052621. The next prime is 20020052707. The reversal of 20020052653 is 35625002002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17062106884 + 2957945769 = 130622^2 + 54387^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020052653 - 2⁵ = 20020052621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020052053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010026326 + 10010026327.

It is an arithmetic number, because the mean of its divisors is an integer number (10010026327).

Almost surely, 2^20020052653 is an apocalyptic number.

It is an amenable number.

20020052653 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020052653 is an equidigital number, since it uses as much as digits as its factorization.

20020052653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 20020052653 its reverse (35625002002), we get a palindrome (55645054655).

The spelling of 20020052653 in words is "twenty billion, twenty million, fifty-two thousand, six hundred fifty-three".