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20332232331121 = 37549519792733
BaseRepresentation
bin1001001111101111101110…
…11111000100111101110001
32122222202001020012121101101
410213313313133010331301
510131110402434043441
6111124255410004401
74165645446160144
oct447676737047561
978882036177341
1020332232331121
1165299400aa817
122344633576701
13b46423b19109
1450412a0a005b
15253d4c125231
hex127df77c4f71

20332232331121 has 4 divisors (see below), whose sum is σ = 20881752123892. Its totient is φ = 19782712538352.

The previous prime is 20332232331041. The next prime is 20332232331139. The reversal of 20332232331121 is 12113323223302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10910469610000 + 9421762721121 = 3303100^2 + 3069489^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332232331121 - 213 = 20332232322929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20332232331121.

It is not an unprimeable number, because it can be changed into a prime (20332232331161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274759896330 + ... + 274759896403.

It is an arithmetic number, because the mean of its divisors is an integer number (5220438030973).

Almost surely, 220332232331121 is an apocalyptic number.

It is an amenable number.

20332232331121 is a deficient number, since it is larger than the sum of its proper divisors (549519792771).

20332232331121 is an equidigital number, since it uses as much as digits as its factorization.

20332232331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549519792770.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20332232331121 its reverse (12113323223302), we get a palindrome (32445555554423).

The spelling of 20332232331121 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-two million, three hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 37 549519792733 20332232331121