20405235250322 has 96 divisors (see below), whose sum is σ = 34313110583472. Its totient is φ = 9041614848000.

The previous prime is 20405235250303. The next prime is 20405235250333. The reversal of 20405235250322 is 22305253250402.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5072364300481 + 15332870949841 = 2252191^2 + 3915721^2 .

It is a super-2 number, since 2×20405235250322² (a number of 27 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 3100625072 + ... + 3100631652.

Almost surely, 2^{20405235250322} is an apocalyptic number.

20405235250322 is a deficient number, since it is larger than the sum of its proper divisors (13907875333150).

20405235250322 is a wasteful number, since it uses less digits than its factorization.

20405235250322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356 (or 7285 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 20405235250322 in words is "twenty trillion, four hundred five billion, two hundred thirty-five million, two hundred fifty thousand, three hundred twenty-two".