20060616253 has 2 divisors, whose sum is σ = 20060616254. Its totient is φ = 20060616252.

The previous prime is 20060616241. The next prime is 20060616313. The reversal of 20060616253 is 35261606002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17207667684 + 2852948569 = 131178^2 + 53413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20060616253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20060611253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030308126 + 10030308127.

It is an arithmetic number, because the mean of its divisors is an integer number (10030308127).

Almost surely, 2^20060616253 is an apocalyptic number.

It is an amenable number.

20060616253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20060616253 is an equidigital number, since it uses as much as digits as its factorization.

20060616253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 20060616253 in words is "twenty billion, sixty million, six hundred sixteen thousand, two hundred fifty-three".