20333413252 has 12 divisors (see below), whose sum is σ = 35594128080. Its totient is φ = 10163662376.

The previous prime is 20333413241. The next prime is 20333413259. The reversal of 20333413252 is 25231433302.

It is a self number, because there is not a number n which added to its sum of digits gives 20333413252.

It is not an unprimeable number, because it can be changed into a prime (20333413259) 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, 746002 + ... + 772777.

It is an arithmetic number, because the mean of its divisors is an integer number (2966177340).

Almost surely, 2^20333413252 is an apocalyptic number.

It is an amenable number.

20333413252 is a deficient number, since it is larger than the sum of its proper divisors (15260714828).

20333413252 is a wasteful number, since it uses less digits than its factorization.

20333413252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522130 (or 1522128 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 20333413252 its reverse (25231433302), we get a palindrome (45564846554).

The spelling of 20333413252 in words is "twenty billion, three hundred thirty-three million, four hundred thirteen thousand, two hundred fifty-two".