20303133332 has 12 divisors (see below), whose sum is σ = 35687006880. Its totient is φ = 10106845656.

The previous prime is 20303133317. The next prime is 20303133349. The reversal of 20303133332 is 23333130302.

It is a junction number, because it is equal to n+sod(n) for n = 20303133298 and 20303133307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11179232 + ... + 11181047.

It is an arithmetic number, because the mean of its divisors is an integer number (2973917240).

Almost surely, 2^20303133332 is an apocalyptic number.

It is an amenable number.

20303133332 is a deficient number, since it is larger than the sum of its proper divisors (15383873548).

20303133332 is a wasteful number, since it uses less digits than its factorization.

20303133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22360510 (or 22360508 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 20303133332 its reverse (23333130302), we get a palindrome (43636263634).

The spelling of 20303133332 in words is "twenty billion, three hundred three million, one hundred thirty-three thousand, three hundred thirty-two".