20102122210202 has 8 divisors (see below), whose sum is σ = 31192948257300. Its totient is φ = 9704472791104.

The previous prime is 20102122210169. The next prime is 20102122210211. The reversal of 20102122210202 is 20201222120102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19731994769041 + 370127441161 = 4442071^2 + 608381^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173294156927 + ... + 173294157042.

Almost surely, 2^{20102122210202} is an apocalyptic number.

20102122210202 is a deficient number, since it is larger than the sum of its proper divisors (11090826047098).

20102122210202 is a wasteful number, since it uses less digits than its factorization.

20102122210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346588314000.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20102122210202 its reverse (20201222120102), we get a palindrome (40303344330304).

The spelling of 20102122210202 in words is "twenty trillion, one hundred two billion, one hundred twenty-two million, two hundred ten thousand, two hundred two".