20303333133 has 8 divisors (see below), whose sum is σ = 27072381696. Its totient is φ = 13534920000.

The previous prime is 20303333131. The next prime is 20303333153. The reversal of 20303333133 is 33133330302.

It is a happy number.

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

It is not a de Polignac number, because 20303333133 - 2¹ = 20303333131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303333131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78493 + ... + 216258.

It is an arithmetic number, because the mean of its divisors is an integer number (3384047712).

Almost surely, 2^20303333133 is an apocalyptic number.

It is an amenable number.

20303333133 is a deficient number, since it is larger than the sum of its proper divisors (6769048563).

20303333133 is a wasteful number, since it uses less digits than its factorization.

20303333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317715.

The product of its (nonzero) digits is 4374, while the sum is 24.

Adding to 20303333133 its reverse (33133330302), we get a palindrome (53436663435).

The spelling of 20303333133 in words is "twenty billion, three hundred three million, three hundred thirty-three thousand, one hundred thirty-three".