20345032242366 has 16 divisors (see below), whose sum is σ = 43820069445264. Its totient is φ = 6260009920704.

The previous prime is 20345032242341. The next prime is 20345032242371. The reversal of 20345032242366 is 66324223054302.

It is a super-2 number, since 2×20345032242366² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130416873271 + ... + 130416873426.

It is an arithmetic number, because the mean of its divisors is an integer number (2738754340329).

Almost surely, 2^{20345032242366} is an apocalyptic number.

20345032242366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20345032242366 is an abundant number, since it is smaller than the sum of its proper divisors (23475037202898).

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

20345032242366 is a wasteful number, since it uses less digits than its factorization.

20345032242366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260833746715.

The product of its (nonzero) digits is 1244160, while the sum is 42.

Adding to 20345032242366 its reverse (66324223054302), we get a palindrome (86669255296668).

The spelling of 20345032242366 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, two hundred forty-two thousand, three hundred sixty-six".