20502133202 has 8 divisors (see below), whose sum is σ = 30753820812. Its totient is φ = 10250859600.

The previous prime is 20502133193. The next prime is 20502133207. The reversal of 20502133202 is 20233120502.

It can be written as a sum of positive squares in 2 ways, for example, as 20500226041 + 1907161 = 143179^2 + 1381^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20502133207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101552 + ... + 226532.

Almost surely, 2^20502133202 is an apocalyptic number.

20502133202 is a deficient number, since it is larger than the sum of its proper divisors (10251687610).

20502133202 is a wasteful number, since it uses less digits than its factorization.

20502133202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207004.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20502133202 its reverse (20233120502), we get a palindrome (40735253704).

The spelling of 20502133202 in words is "twenty billion, five hundred two million, one hundred thirty-three thousand, two hundred two".