20001201012019 has 8 divisors (see below), whose sum is σ = 20225807688240. Its totient is φ = 19777341780000.

The previous prime is 20001201012011. The next prime is 20001201012029. The reversal of 20001201012019 is 91021010210002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20001201012019 - 2³ = 20001201012011 is a prime.

It is a super-2 number, since 2×20001201012019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001201011987 and 20001201012005.

It is not an unprimeable number, because it can be changed into a prime (20001201012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186807232 + ... + 186914269.

It is an arithmetic number, because the mean of its divisors is an integer number (2528225961030).

Almost surely, 2^{20001201012019} is an apocalyptic number.

20001201012019 is a deficient number, since it is larger than the sum of its proper divisors (224606676221).

20001201012019 is a wasteful number, since it uses less digits than its factorization.

20001201012019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373722101.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 20001201012019 in words is "twenty trillion, one billion, two hundred one million, twelve thousand, nineteen".