20533321168946 has 16 divisors (see below), whose sum is σ = 32683842100800. Its totient is φ = 9653838543888.

The previous prime is 20533321168909. The next prime is 20533321169041. The reversal of 20533321168946 is 64986112333502.

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 7 ways as a sum of consecutive naturals, for example, 3782849381 + ... + 3782854808.

It is an arithmetic number, because the mean of its divisors is an integer number (2042740131300).

Almost surely, 2^{20533321168946} is an apocalyptic number.

20533321168946 is a deficient number, since it is larger than the sum of its proper divisors (12150520931854).

20533321168946 is a wasteful number, since it uses less digits than its factorization.

20533321168946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7565704273.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 20533321168946 in words is "twenty trillion, five hundred thirty-three billion, three hundred twenty-one million, one hundred sixty-eight thousand, nine hundred forty-six".