20473316338496 has 56 divisors (see below), whose sum is σ = 48874270226880. Its totient is φ = 8312474299392.

The previous prime is 20473316338451. The next prime is 20473316338577. The reversal of 20473316338496 is 69483361337402.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×20473316338496² (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 7 ways as a sum of consecutive naturals, for example, 1202606405 + ... + 1202623428.

It is an arithmetic number, because the mean of its divisors is an integer number (872754825480).

Almost surely, 2^{20473316338496} is an apocalyptic number.

It is an amenable number.

20473316338496 is an abundant number, since it is smaller than the sum of its proper divisors (28400953888384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20473316338496 is a wasteful number, since it uses less digits than its factorization.

20473316338496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405229871 (or 2405229861 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 59.

The spelling of 20473316338496 in words is "twenty trillion, four hundred seventy-three billion, three hundred sixteen million, three hundred thirty-eight thousand, four hundred ninety-six".