20040355330 has 8 divisors (see below), whose sum is σ = 36072639612. Its totient is φ = 8016142128.

The previous prime is 20040355319. The next prime is 20040355369. The reversal of 20040355330 is 3355304002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17763824961 + 2276530369 = 133281^2 + 47713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20040355295 and 20040355304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002017757 + ... + 1002017776.

Almost surely, 2^20040355330 is an apocalyptic number.

20040355330 is a deficient number, since it is larger than the sum of its proper divisors (16032284282).

20040355330 is a wasteful number, since it uses less digits than its factorization.

20040355330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004035540.

The product of its (nonzero) digits is 5400, while the sum is 25.

Adding to 20040355330 its reverse (3355304002), we get a palindrome (23395659332).

The spelling of 20040355330 in words is "twenty billion, forty million, three hundred fifty-five thousand, three hundred thirty".