20012201120009 has 32 divisors (see below), whose sum is σ = 24999769497600. Its totient is φ = 15622169944320.

The previous prime is 20012201119991. The next prime is 20012201120027. The reversal of 20012201120009 is 90002110221002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20012201119991) and next prime (20012201120027).

It is a cyclic number.

It is not a de Polignac number, because 20012201120009 - 2⁸ = 20012201119753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012201120069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43815782 + ... + 44270160.

It is an arithmetic number, because the mean of its divisors is an integer number (781242796800).

Almost surely, 2^{20012201120009} is an apocalyptic number.

It is an amenable number.

20012201120009 is a deficient number, since it is larger than the sum of its proper divisors (4987568377591).

20012201120009 is a wasteful number, since it uses less digits than its factorization.

20012201120009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466373.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 20012201120009 in words is "twenty trillion, twelve billion, two hundred one million, one hundred twenty thousand, nine".