20362443512455 has 32 divisors (see below), whose sum is σ = 26746985599488. Its totient is φ = 14758677187200.

The previous prime is 20362443512447. The next prime is 20362443512531. The reversal of 20362443512455 is 55421534426302.

It is a happy number.

It is not a de Polignac number, because 20362443512455 - 2³ = 20362443512447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121707910 + ... + 121875100.

It is an arithmetic number, because the mean of its divisors is an integer number (835843299984).

Almost surely, 2^{20362443512455} is an apocalyptic number.

20362443512455 is a deficient number, since it is larger than the sum of its proper divisors (6384542087033).

20362443512455 is a wasteful number, since it uses less digits than its factorization.

20362443512455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174727.

The product of its (nonzero) digits is 3456000, while the sum is 46.

Adding to 20362443512455 its reverse (55421534426302), we get a palindrome (75783977938757).

The spelling of 20362443512455 in words is "twenty trillion, three hundred sixty-two billion, four hundred forty-three million, five hundred twelve thousand, four hundred fifty-five".