20453633063 has 2 divisors, whose sum is σ = 20453633064. Its totient is φ = 20453633062.

The previous prime is 20453633033. The next prime is 20453633071. The reversal of 20453633063 is 36033635402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20453633063 - 2¹⁰ = 20453632039 is a prime.

It is a super-2 number, since 2×20453633063² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20453633023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10226816531 + 10226816532.

It is an arithmetic number, because the mean of its divisors is an integer number (10226816532).

Almost surely, 2^20453633063 is an apocalyptic number.

20453633063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20453633063 is an equidigital number, since it uses as much as digits as its factorization.

20453633063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 35.

The spelling of 20453633063 in words is "twenty billion, four hundred fifty-three million, six hundred thirty-three thousand, sixty-three".