20102320122 has 16 divisors (see below), whose sum is σ = 40206345312. Its totient is φ = 6700489200.

The previous prime is 20102320097. The next prime is 20102320141. The reversal of 20102320122 is 22102320102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122988 + ... + 235224.

It is an arithmetic number, because the mean of its divisors is an integer number (2512896582).

Almost surely, 2^20102320122 is an apocalyptic number.

20102320122 is an abundant number, since it is smaller than the sum of its proper divisors (20104025190).

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

20102320122 is a wasteful number, since it uses less digits than its factorization.

20102320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142093.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20102320122 its reverse (22102320102), we get a palindrome (42204640224).

The spelling of 20102320122 in words is "twenty billion, one hundred two million, three hundred twenty thousand, one hundred twenty-two".