20133225356 has 6 divisors (see below), whose sum is σ = 35233144380. Its totient is φ = 10066612676.

The previous prime is 20133225353. The next prime is 20133225389. The reversal of 20133225356 is 65352233102.

It is not an unprimeable number, because it can be changed into a prime (20133225353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2516653166 + ... + 2516653173.

It is an arithmetic number, because the mean of its divisors is an integer number (5872190730).

Almost surely, 2^20133225356 is an apocalyptic number.

It is an amenable number.

20133225356 is a deficient number, since it is larger than the sum of its proper divisors (15099919024).

20133225356 is a wasteful number, since it uses less digits than its factorization.

20133225356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033306343 (or 5033306341 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 20133225356 its reverse (65352233102), we get a palindrome (85485458458).

The spelling of 20133225356 in words is "twenty billion, one hundred thirty-three million, two hundred twenty-five thousand, three hundred fifty-six".