20045031322454 has 8 divisors (see below), whose sum is σ = 30080132820480. Its totient is φ = 10018320382296.

The previous prime is 20045031322441. The next prime is 20045031322513. The reversal of 20045031322454 is 45422313054002.

It is a happy number.

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

It is a super-2 number, since 2×20045031322454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2097633494 + ... + 2097643049.

It is an arithmetic number, because the mean of its divisors is an integer number (3760016602560).

Almost surely, 2^{20045031322454} is an apocalyptic number.

20045031322454 is a deficient number, since it is larger than the sum of its proper divisors (10035101498026).

20045031322454 is a wasteful number, since it uses less digits than its factorization.

20045031322454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195278934.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 20045031322454 its reverse (45422313054002), we get a palindrome (65467344376456).

The spelling of 20045031322454 in words is "twenty trillion, forty-five billion, thirty-one million, three hundred twenty-two thousand, four hundred fifty-four".