20010120002219 has 4 divisors (see below), whose sum is σ = 20083958083680. Its totient is φ = 19936281920760.

The previous prime is 20010120002207. The next prime is 20010120002221. The reversal of 20010120002219 is 91220002101002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010120002219 is a prime.

It is a super-2 number, since 2×20010120002219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20010120002219.

It is not an unprimeable number, because it can be changed into a prime (20010120002819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36919040324 + ... + 36919040865.

It is an arithmetic number, because the mean of its divisors is an integer number (5020989520920).

Almost surely, 2^{20010120002219} is an apocalyptic number.

20010120002219 is a deficient number, since it is larger than the sum of its proper divisors (73838081461).

20010120002219 is an equidigital number, since it uses as much as digits as its factorization.

20010120002219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73838081460.

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

The spelling of 20010120002219 in words is "twenty trillion, ten billion, one hundred twenty million, two thousand, two hundred nineteen".