20022112022002 has 4 divisors (see below), whose sum is σ = 30033168033006. Its totient is φ = 10011056011000.

The previous prime is 20022112021939. The next prime is 20022112022137. The reversal of 20022112022002 is 20022021122002.

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., 19851649559361 + 170462462641 = 4455519^2 + 412871^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005528005499 + ... + 5005528005502.

Almost surely, 2^{20022112022002} is an apocalyptic number.

20022112022002 is a deficient number, since it is larger than the sum of its proper divisors (10011056011004).

20022112022002 is a wasteful number, since it uses less digits than its factorization.

20022112022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011056011003.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022112022002 its reverse (20022021122002), we get a palindrome (40044133144004).

The spelling of 20022112022002 in words is "twenty trillion, twenty-two billion, one hundred twelve million, twenty-two thousand, two".