20133223403 has 8 divisors (see below), whose sum is σ = 22439506320. Its totient is φ = 17951604480.

The previous prime is 20133223387. The next prime is 20133223421. The reversal of 20133223403 is 30432233102.

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

It is a cyclic number.

It is not a de Polignac number, because 20133223403 - 2⁴ = 20133223387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20133223433) 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, 31165658 + ... + 31166303.

It is an arithmetic number, because the mean of its divisors is an integer number (2804938290).

Almost surely, 2^20133223403 is an apocalyptic number.

20133223403 is a deficient number, since it is larger than the sum of its proper divisors (2306282917).

20133223403 is a wasteful number, since it uses less digits than its factorization.

20133223403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62331997.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20133223403 its reverse (30432233102), we get a palindrome (50565456505).

The spelling of 20133223403 in words is "twenty billion, one hundred thirty-three million, two hundred twenty-three thousand, four hundred three".