20043350122356 has 96 divisors (see below), whose sum is σ = 57649081190400. Its totient is φ = 5970797652960.

The previous prime is 20043350122343. The next prime is 20043350122417. The reversal of 20043350122356 is 65322105334002.

20043350122356 is a `hidden beast` number, since 2 + 0 + 0 + 433 + 50 + 122 + 3 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20043350122356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142908780 + ... + 143048963.

It is an arithmetic number, because the mean of its divisors is an integer number (600511262400).

Almost surely, 2^{20043350122356} is an apocalyptic number.

It is an amenable number.

20043350122356 is an abundant number, since it is smaller than the sum of its proper divisors (37605731068044).

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

20043350122356 is a wasteful number, since it uses less digits than its factorization.

20043350122356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285957826 (or 285957818 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 20043350122356 its reverse (65322105334002), we get a palindrome (85365455456358).

The spelling of 20043350122356 in words is "twenty trillion, forty-three billion, three hundred fifty million, one hundred twenty-two thousand, three hundred fifty-six".