20012022012002 has 16 divisors (see below), whose sum is σ = 30318306132024. Its totient is φ = 9905940000000.

The previous prime is 20012022011981. The next prime is 20012022012013. The reversal of 20012022012002 is 20021022021002.

It can be written as a sum of positive squares in 4 ways, for example, as 18655307234041 + 1356714777961 = 4319179^2 + 1164781^2 .

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, 3002999 + ... + 7003002.

Almost surely, 2^{20012022012002} is an apocalyptic number.

20012022012002 is a deficient number, since it is larger than the sum of its proper divisors (10306284120022).

20012022012002 is a wasteful number, since it uses less digits than its factorization.

20012022012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016005.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20012022012002 its reverse (20021022021002), we get a palindrome (40033044033004).

The spelling of 20012022012002 in words is "twenty trillion, twelve billion, twenty-two million, twelve thousand, two".