20346513101166 has 32 divisors (see below), whose sum is σ = 46509907292928. Its totient is φ = 5812840503360.

The previous prime is 20346513101143. The next prime is 20346513101183. The reversal of 20346513101166 is 66110131564302.

It is a super-3 number, since 3×20346513101166³ (a number of 41 digits) contains 333 as substring.

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, 18155920 + ... + 19243971.

It is an arithmetic number, because the mean of its divisors is an integer number (1453434602904).

Almost surely, 2^{20346513101166} is an apocalyptic number.

20346513101166 is an abundant number, since it is smaller than the sum of its proper divisors (26163394191762).

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

20346513101166 is a wasteful number, since it uses less digits than its factorization.

20346513101166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37412856.

The product of its (nonzero) digits is 77760, while the sum is 39.

Adding to 20346513101166 its reverse (66110131564302), we get a palindrome (86456644665468).

The spelling of 20346513101166 in words is "twenty trillion, three hundred forty-six billion, five hundred thirteen million, one hundred one thousand, one hundred sixty-six".