20100102202 has 8 divisors (see below), whose sum is σ = 30150839412. Its totient is φ = 10049822400.

The previous prime is 20100102199. The next prime is 20100102221. The reversal of 20100102202 is 20220100102.

It can be written as a sum of positive squares in 2 ways, for example, as 14766867361 + 5333234841 = 121519^2 + 73029^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34002 + ... + 203362.

Almost surely, 2^20100102202 is an apocalyptic number.

20100102202 is a deficient number, since it is larger than the sum of its proper divisors (10050737210).

20100102202 is a wasteful number, since it uses less digits than its factorization.

20100102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228704.

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

Adding to 20100102202 its reverse (20220100102), we get a palindrome (40320202304).

It can be divided in two parts, 20100102 and 202, that multiplied together give a palindrome (4060220604).

The spelling of 20100102202 in words is "twenty billion, one hundred million, one hundred two thousand, two hundred two".