20000122110002 has 4 divisors (see below), whose sum is σ = 30000183165006. Its totient is φ = 10000061055000.

The previous prime is 20000122109971. The next prime is 20000122110079. The reversal of 20000122110002 is 20001122100002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16872632432161 + 3127489677841 = 4107631^2 + 1768471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000030527499 + ... + 5000030527502.

Almost surely, 2^{20000122110002} is an apocalyptic number.

20000122110002 is a deficient number, since it is larger than the sum of its proper divisors (10000061055004).

20000122110002 is a wasteful number, since it uses less digits than its factorization.

20000122110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000061055003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20000122110002 its reverse (20001122100002), we get a palindrome (40001244210004).

The spelling of 20000122110002 in words is "twenty trillion, one hundred twenty-two million, one hundred ten thousand, two".