20012001199 has 8 divisors (see below), whose sum is σ = 21422304000. Its totient is φ = 18637402392.

The previous prime is 20012001193. The next prime is 20012001221. The reversal of 20012001199 is 99110021002.

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 20012001199 - 2⁷ = 20012001071 is a prime.

It is a super-4 number, since 4×20012001199⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012001193) 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, 8924839 + ... + 8927080.

It is an arithmetic number, because the mean of its divisors is an integer number (2677788000).

Almost surely, 2^20012001199 is an apocalyptic number.

20012001199 is a deficient number, since it is larger than the sum of its proper divisors (1410302801).

20012001199 is a wasteful number, since it uses less digits than its factorization.

20012001199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17851997.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 20012001199 in words is "twenty billion, twelve million, one thousand, one hundred ninety-nine".