20025013134653 has 2 divisors, whose sum is σ = 20025013134654. Its totient is φ = 20025013134652.

The previous prime is 20025013134611. The next prime is 20025013134713. The reversal of 20025013134653 is 35643131052002.

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., 19909104889444 + 115908245209 = 4461962^2 + 340453^2 .

It is a cyclic number.

It is not a de Polignac number, because 20025013134653 - 2¹⁴ = 20025013118269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20025016134653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10012506567326 + 10012506567327.

It is an arithmetic number, because the mean of its divisors is an integer number (10012506567327).

Almost surely, 2^{20025013134653} is an apocalyptic number.

It is an amenable number.

20025013134653 is a deficient number, since it is larger than the sum of its proper divisors (1).

20025013134653 is an equidigital number, since it uses as much as digits as its factorization.

20025013134653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 20025013134653 its reverse (35643131052002), we get a palindrome (55668144186655).

The spelling of 20025013134653 in words is "twenty trillion, twenty-five billion, thirteen million, one hundred thirty-four thousand, six hundred fifty-three".