20020355330 has 16 divisors (see below), whose sum is σ = 36040948920. Its totient is φ = 8007184512.

The previous prime is 20020355321. The next prime is 20020355351. The reversal of 20020355330 is 3355302002.

It can be written as a sum of positive squares in 4 ways, for example, as 12290604769 + 7729750561 = 110863^2 + 87919^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20020355296 and 20020355305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28595 + ... + 202134.

Almost surely, 2^20020355330 is an apocalyptic number.

20020355330 is a deficient number, since it is larger than the sum of its proper divisors (16020593590).

20020355330 is a wasteful number, since it uses less digits than its factorization.

20020355330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239413.

The product of its (nonzero) digits is 2700, while the sum is 23.

Adding to 20020355330 its reverse (3355302002), we get a palindrome (23375657332).

The spelling of 20020355330 in words is "twenty billion, twenty million, three hundred fifty-five thousand, three hundred thirty".