20100222102 has 64 divisors (see below), whose sum is σ = 43780815360. Its totient is φ = 6126368256.

The previous prime is 20100222083. The next prime is 20100222167. The reversal of 20100222102 is 20122200102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2785383 + ... + 2792589.

It is an arithmetic number, because the mean of its divisors is an integer number (684075240).

Almost surely, 2^20100222102 is an apocalyptic number.

20100222102 is an abundant number, since it is smaller than the sum of its proper divisors (23680593258).

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

20100222102 is a wasteful number, since it uses less digits than its factorization.

20100222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20100222102 its reverse (20122200102), we get a palindrome (40222422204).

The spelling of 20100222102 in words is "twenty billion, one hundred million, two hundred twenty-two thousand, one hundred two".