20102110202 has 16 divisors (see below), whose sum is σ = 30195131400. Its totient is φ = 10037079360.

The previous prime is 20102110187. The next prime is 20102110277. The reversal of 20102110202 is 20201120102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13952570641 + 6149539561 = 118121^2 + 78419^2 .

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, 8858324 + ... + 8860592.

Almost surely, 2^20102110202 is an apocalyptic number.

20102110202 is a deficient number, since it is larger than the sum of its proper divisors (10093021198).

20102110202 is a wasteful number, since it uses less digits than its factorization.

20102110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20102110202 its reverse (20201120102), we get a palindrome (40303230304).

The spelling of 20102110202 in words is "twenty billion, one hundred two million, one hundred ten thousand, two hundred two".