20045459796146 has 8 divisors (see below), whose sum is σ = 30114662941440. Its totient is φ = 10007238815668.

The previous prime is 20045459796107. The next prime is 20045459796151. The reversal of 20045459796146 is 64169795454002.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7745539586 + ... + 7745542173.

It is an arithmetic number, because the mean of its divisors is an integer number (3764332867680).

Almost surely, 2^{20045459796146} is an apocalyptic number.

20045459796146 is a deficient number, since it is larger than the sum of its proper divisors (10069203145294).

20045459796146 is a wasteful number, since it uses less digits than its factorization.

20045459796146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15491082408.

The product of its (nonzero) digits is 65318400, while the sum is 62.

The spelling of 20045459796146 in words is "twenty trillion, forty-five billion, four hundred fifty-nine million, seven hundred ninety-six thousand, one hundred forty-six".