20100011202 has 36 divisors (see below), whose sum is σ = 44758918386. Its totient is φ = 6518914560.

The previous prime is 20100011177. The next prime is 20100011221. The reversal of 20100011202 is 20211000102.

It can be written as a sum of positive squares in 3 ways, for example, as 18881233281 + 1218777921 = 137409^2 + 34911^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 383199 + ... + 432482.

Almost surely, 2^20100011202 is an apocalyptic number.

20100011202 is an abundant number, since it is smaller than the sum of its proper divisors (24658907184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20100011202 is a wasteful number, since it uses less digits than its factorization.

20100011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815763 (or 815723 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20100011202 its reverse (20211000102), we get a palindrome (40311011304).

The spelling of 20100011202 in words is "twenty billion, one hundred million, eleven thousand, two hundred two".