20321000122 has 8 divisors (see below), whose sum is σ = 30512702196. Its totient is φ = 10150099392.

The previous prime is 20321000113. The next prime is 20321000171. The reversal of 20321000122 is 22100012302.

It can be written as a sum of positive squares in 2 ways, for example, as 20320787601 + 212521 = 142551^2 + 461^2 .

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, 5197893 + ... + 5201800.

Almost surely, 2^20321000122 is an apocalyptic number.

20321000122 is a deficient number, since it is larger than the sum of its proper divisors (10191702074).

20321000122 is a wasteful number, since it uses less digits than its factorization.

20321000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400672.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20321000122 its reverse (22100012302), we get a palindrome (42421012424).

The spelling of 20321000122 in words is "twenty billion, three hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.