20354333332 has 12 divisors (see below), whose sum is σ = 36108030196. Its totient is φ = 10037753280.

The previous prime is 20354333267. The next prime is 20354333339. The reversal of 20354333332 is 23333345302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15384929296 + 4969404036 = 124036^2 + 70494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20354333294 and 20354333303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20354333339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34853019 + ... + 34853602.

Almost surely, 2^20354333332 is an apocalyptic number.

It is an amenable number.

20354333332 is a deficient number, since it is larger than the sum of its proper divisors (15753696864).

20354333332 is a wasteful number, since it uses less digits than its factorization.

20354333332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69706698 (or 69706696 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 31.

Adding to 20354333332 its reverse (23333345302), we get a palindrome (43687678634).

The spelling of 20354333332 in words is "twenty billion, three hundred fifty-four million, three hundred thirty-three thousand, three hundred thirty-two".