20302133332 has 12 divisors (see below), whose sum is σ = 38261712916. Its totient is φ = 9370215360.

The previous prime is 20302133311. The next prime is 20302133339. The reversal of 20302133332 is 23333120302.

It can be written as a sum of positive squares in 2 ways, for example, as 2054446276 + 18247687056 = 45326^2 + 135084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302133339) by changing a digit.

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, 195212769 + ... + 195212872.

Almost surely, 2^20302133332 is an apocalyptic number.

It is an amenable number.

20302133332 is a deficient number, since it is larger than the sum of its proper divisors (17959579584).

20302133332 is a wasteful number, since it uses less digits than its factorization.

20302133332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390425658 (or 390425656 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20302133332 its reverse (23333120302), we get a palindrome (43635253634).

The spelling of 20302133332 in words is "twenty billion, three hundred two million, one hundred thirty-three thousand, three hundred thirty-two".