20542382252063 has 8 divisors (see below), whose sum is σ = 23479770032160. Its totient is φ = 17605684908000.

The previous prime is 20542382251927. The next prime is 20542382252069. The reversal of 20542382252063 is 36025228324502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20542382252063 - 2¹⁶ = 20542382186527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20542382252069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172545248 + ... + 172664261.

It is an arithmetic number, because the mean of its divisors is an integer number (2934971254020).

Almost surely, 2^{20542382252063} is an apocalyptic number.

20542382252063 is a deficient number, since it is larger than the sum of its proper divisors (2937387780097).

20542382252063 is an equidigital number, since it uses as much as digits as its factorization.

20542382252063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345218017.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 20542382252063 in words is "twenty trillion, five hundred forty-two billion, three hundred eighty-two million, two hundred fifty-two thousand, sixty-three".