20021133202 has 64 divisors (see below), whose sum is σ = 35631558144. Its totient is φ = 8259356160.

The previous prime is 20021133191. The next prime is 20021133203. The reversal of 20021133202 is 20233112002.

It is not an unprimeable number, because it can be changed into a prime (20021133203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23471008 + ... + 23471860.

It is an arithmetic number, because the mean of its divisors is an integer number (556743096).

Almost surely, 2^20021133202 is an apocalyptic number.

20021133202 is a deficient number, since it is larger than the sum of its proper divisors (15610424942).

20021133202 is a wasteful number, since it uses less digits than its factorization.

20021133202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20021133202 its reverse (20233112002), we get a palindrome (40254245204).

The spelling of 20021133202 in words is "twenty billion, twenty-one million, one hundred thirty-three thousand, two hundred two".