20254523063 has 2 divisors, whose sum is σ = 20254523064. Its totient is φ = 20254523062.

The previous prime is 20254523033. The next prime is 20254523123. The reversal of 20254523063 is 36032545202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20254523063 - 2⁶ = 20254522999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20254523033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10127261531 + 10127261532.

It is an arithmetic number, because the mean of its divisors is an integer number (10127261532).

Almost surely, 2^20254523063 is an apocalyptic number.

20254523063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20254523063 is an equidigital number, since it uses as much as digits as its factorization.

20254523063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 20254523063 in words is "twenty billion, two hundred fifty-four million, five hundred twenty-three thousand, sixty-three".