20156733033336 has 48 divisors (see below), whose sum is σ = 54728661241800. Its totient is φ = 6701986792512.

The previous prime is 20156733033187. The next prime is 20156733033341. The reversal of 20156733033336 is 63333033765102.

20156733033336 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 6 + 7 + 3 + 303 + 3 + 336 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20156733033291 and 20156733033300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352559106 + ... + 352616273.

Almost surely, 2^{20156733033336} is an apocalyptic number.

It is an amenable number.

20156733033336 is an abundant number, since it is smaller than the sum of its proper divisors (34571928208464).

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

20156733033336 is a wasteful number, since it uses less digits than its factorization.

20156733033336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705175788 (or 705175781 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 45.

Adding to 20156733033336 its reverse (63333033765102), we get a palindrome (83489766798438).

It can be divided in two parts, 2015673 and 3033336, that added together give a square (5049009 = 2247²).

The spelling of 20156733033336 in words is "twenty trillion, one hundred fifty-six billion, seven hundred thirty-three million, thirty-three thousand, three hundred thirty-six".