20011202122 has 8 divisors (see below), whose sum is σ = 30025276416. Its totient is φ = 10002776652.

The previous prime is 20011202111. The next prime is 20011202177. The reversal of 20011202122 is 22120211002.

It is a happy number.

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, 1403338 + ... + 1417525.

It is an arithmetic number, because the mean of its divisors is an integer number (3753159552).

Almost surely, 2^20011202122 is an apocalyptic number.

20011202122 is a deficient number, since it is larger than the sum of its proper divisors (10014074294).

20011202122 is a wasteful number, since it uses less digits than its factorization.

20011202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824412.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20011202122 its reverse (22120211002), we get a palindrome (42131413124).

The spelling of 20011202122 in words is "twenty billion, eleven million, two hundred two thousand, one hundred twenty-two".