20301244153 has 2 divisors, whose sum is σ = 20301244154. Its totient is φ = 20301244152.

The previous prime is 20301244079. The next prime is 20301244157. The reversal of 20301244153 is 35144210302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20290008249 + 11235904 = 142443^2 + 3352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20301244153 is a prime.

It is not a weakly prime, because it can be changed into another prime (20301244157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150622076 + 10150622077.

It is an arithmetic number, because the mean of its divisors is an integer number (10150622077).

Almost surely, 2^20301244153 is an apocalyptic number.

It is an amenable number.

20301244153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301244153 is an equidigital number, since it uses as much as digits as its factorization.

20301244153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20301244153 its reverse (35144210302), we get a palindrome (55445454455).

The spelling of 20301244153 in words is "twenty billion, three hundred one million, two hundred forty-four thousand, one hundred fifty-three".