20116310566542 has 32 divisors (see below), whose sum is σ = 42652892166144. Its totient is φ = 6313750480800.

The previous prime is 20116310566523. The next prime is 20116310566559. The reversal of 20116310566542 is 24566501361102.

It is a junction number, because it is equal to n+sod(n) for n = 20116310566494 and 20116310566503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1461509434 + ... + 1461523197.

It is an arithmetic number, because the mean of its divisors is an integer number (1332902880192).

Almost surely, 2^{20116310566542} is an apocalyptic number.

20116310566542 is an abundant number, since it is smaller than the sum of its proper divisors (22536581599602).

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

20116310566542 is a wasteful number, since it uses less digits than its factorization.

20116310566542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923032704.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 20116310566542 in words is "twenty trillion, one hundred sixteen billion, three hundred ten million, five hundred sixty-six thousand, five hundred forty-two".