20254066073 has 2 divisors, whose sum is σ = 20254066074. Its totient is φ = 20254066072.

The previous prime is 20254066003. The next prime is 20254066103. The reversal of 20254066073 is 37066045202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11523593104 + 8730472969 = 107348^2 + 93437^2 .

It is a cyclic number.

It is not a de Polignac number, because 20254066073 - 2⁸ = 20254065817 is a prime.

It is not a weakly prime, because it can be changed into another prime (20254066003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10127033036 + 10127033037.

It is an arithmetic number, because the mean of its divisors is an integer number (10127033037).

Almost surely, 2^20254066073 is an apocalyptic number.

It is an amenable number.

20254066073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20254066073 is an equidigital number, since it uses as much as digits as its factorization.

20254066073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 20254066073 in words is "twenty billion, two hundred fifty-four million, sixty-six thousand, seventy-three".