20001011112002 has 32 divisors (see below), whose sum is σ = 30422977449984. Its totient is φ = 9860500213200.

The previous prime is 20001011111993. The next prime is 20001011112013. The reversal of 20001011112002 is 20021111010002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874502627 + ... + 874525497.

It is an arithmetic number, because the mean of its divisors is an integer number (950718045312).

Almost surely, 2^{20001011112002} is an apocalyptic number.

20001011112002 is a deficient number, since it is larger than the sum of its proper divisors (10421966337982).

20001011112002 is a wasteful number, since it uses less digits than its factorization.

20001011112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33134.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20001011112002 its reverse (20021111010002), we get a palindrome (40022122122004).

The spelling of 20001011112002 in words is "twenty trillion, one billion, eleven million, one hundred twelve thousand, two".