20546305454046 has 16 divisors (see below), whose sum is σ = 41612770540800. Its totient is φ = 6762075212568.

The previous prime is 20546305454041. The next prime is 20546305454047. The reversal of 20546305454046 is 64045450364502.

It is a junction number, because it is equal to n+sod(n) for n = 20546305453986 and 20546305454004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20546305454041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21673317516 + ... + 21673318463.

It is an arithmetic number, because the mean of its divisors is an integer number (2600798158800).

Almost surely, 2^{20546305454046} is an apocalyptic number.

20546305454046 is an abundant number, since it is smaller than the sum of its proper divisors (21066465086754).

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

20546305454046 is a wasteful number, since it uses less digits than its factorization.

20546305454046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43346636063.

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 20546305454046 in words is "twenty trillion, five hundred forty-six billion, three hundred five million, four hundred fifty-four thousand, forty-six".