20022120110002 has 4 divisors (see below), whose sum is σ = 30033180165006. Its totient is φ = 10011060055000.

The previous prime is 20022120109973. The next prime is 20022120110021. The reversal of 20022120110002 is 20001102122002.

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., 17526355229601 + 2495764880401 = 4186449^2 + 1579799^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005530027499 + ... + 5005530027502.

Almost surely, 2^{20022120110002} is an apocalyptic number.

20022120110002 is a deficient number, since it is larger than the sum of its proper divisors (10011060055004).

20022120110002 is a wasteful number, since it uses less digits than its factorization.

20022120110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011060055003.

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

Adding to 20022120110002 its reverse (20001102122002), we get a palindrome (40023222232004).

The spelling of 20022120110002 in words is "twenty trillion, twenty-two billion, one hundred twenty million, one hundred ten thousand, two".