20100122202 has 16 divisors (see below), whose sum is σ = 41286737952. Its totient is φ = 6518958480.

The previous prime is 20100122197. The next prime is 20100122243. The reversal of 20100122202 is 20222100102.

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 7 ways as a sum of consecutive naturals, for example, 45270324 + ... + 45270767.

It is an arithmetic number, because the mean of its divisors is an integer number (2580421122).

Almost surely, 2^20100122202 is an apocalyptic number.

20100122202 is an abundant number, since it is smaller than the sum of its proper divisors (21186615750).

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

20100122202 is a wasteful number, since it uses less digits than its factorization.

20100122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90541133.

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

Adding to 20100122202 its reverse (20222100102), we get a palindrome (40322222304).

The spelling of 20100122202 in words is "twenty billion, one hundred million, one hundred twenty-two thousand, two hundred two".