20122120122002 has 16 divisors (see below), whose sum is σ = 30477832981440. Its totient is φ = 9962852796432.

The previous prime is 20122120121977. The next prime is 20122120122017. The reversal of 20122120122002 is 20022102122102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334249 + ... + 6482627.

It is an arithmetic number, because the mean of its divisors is an integer number (1904864561340).

Almost surely, 2^{20122120122002} is an apocalyptic number.

20122120122002 is a deficient number, since it is larger than the sum of its proper divisors (10355712859438).

20122120122002 is a wasteful number, since it uses less digits than its factorization.

20122120122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5167457.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20122120122002 its reverse (20022102122102), we get a palindrome (40144222244104).

The spelling of 20122120122002 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, two".