20001210112006 has 16 divisors (see below), whose sum is σ = 31036475658240. Its totient is φ = 9655720784640.

The previous prime is 20001210112003. The next prime is 20001210112031. The reversal of 20001210112006 is 60021101210002.

It is a super-2 number, since 2×20001210112006² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001210112003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21944086 + ... + 22837366.

It is an arithmetic number, because the mean of its divisors is an integer number (1939779728640).

Almost surely, 2^{20001210112006} is an apocalyptic number.

20001210112006 is a deficient number, since it is larger than the sum of its proper divisors (11035265546234).

20001210112006 is a wasteful number, since it uses less digits than its factorization.

20001210112006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279359.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20001210112006 its reverse (60021101210002), we get a palindrome (80022311322008).

The spelling of 20001210112006 in words is "twenty trillion, one billion, two hundred ten million, one hundred twelve thousand, six".