20201100202 has 16 divisors (see below), whose sum is σ = 30890813832. Its totient is φ = 9904377600.

The previous prime is 20201100151. The next prime is 20201100223. The reversal of 20201100202 is 20200110202.

It can be written as a sum of positive squares in 4 ways, for example, as 19530342001 + 670758201 = 139751^2 + 25899^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137998 + ... + 243814.

Almost surely, 2^20201100202 is an apocalyptic number.

20201100202 is a deficient number, since it is larger than the sum of its proper divisors (10689713630).

20201100202 is a wasteful number, since it uses less digits than its factorization.

20201100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107673.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20201100202 its reverse (20200110202), we get a palindrome (40401210404).

The spelling of 20201100202 in words is "twenty billion, two hundred one million, one hundred thousand, two hundred two".