20102122122 has 16 divisors (see below), whose sum is σ = 41059654272. Its totient is φ = 6558139040.

The previous prime is 20102122121. The next prime is 20102122127. The reversal of 20102122122 is 22122120102.

It is not an unprimeable number, because it can be changed into a prime (20102122121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35641779 + ... + 35642342.

It is an arithmetic number, because the mean of its divisors is an integer number (2566228392).

Almost surely, 2^20102122122 is an apocalyptic number.

20102122122 is an abundant number, since it is smaller than the sum of its proper divisors (20957532150).

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

20102122122 is a wasteful number, since it uses less digits than its factorization.

20102122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71284173.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102122122 its reverse (22122120102), we get a palindrome (42224242224).

The spelling of 20102122122 in words is "twenty billion, one hundred two million, one hundred twenty-two thousand, one hundred twenty-two".