20546312059997 has 32 divisors (see below), whose sum is σ = 21983146848000. Its totient is φ = 19146529239552.

The previous prime is 20546312059951. The next prime is 20546312060033. The reversal of 20546312059997 is 79995021364502.

It is a cyclic number.

It is not a de Polignac number, because 20546312059997 - 2¹⁸ = 20546311797853 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20546312059397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841601363 + ... + 841625775.

It is an arithmetic number, because the mean of its divisors is an integer number (686973339000).

Almost surely, 2^{20546312059997} is an apocalyptic number.

It is an amenable number.

20546312059997 is a deficient number, since it is larger than the sum of its proper divisors (1436834788003).

20546312059997 is a wasteful number, since it uses less digits than its factorization.

20546312059997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26117.

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 20546312059997 in words is "twenty trillion, five hundred forty-six billion, three hundred twelve million, fifty-nine thousand, nine hundred ninety-seven".