20001199967 has 8 divisors (see below), whose sum is σ = 22865001600. Its totient is φ = 17139020184.

The previous prime is 20001199957. The next prime is 20001199973. The reversal of 20001199967 is 76999110002.

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 20001199967 - 2⁸ = 20001199711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001199937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378917 + ... + 428462.

It is an arithmetic number, because the mean of its divisors is an integer number (2858125200).

Almost surely, 2^20001199967 is an apocalyptic number.

20001199967 is a deficient number, since it is larger than the sum of its proper divisors (2863801633).

20001199967 is an equidigital number, since it uses as much as digits as its factorization.

20001199967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810925.

The product of its (nonzero) digits is 61236, while the sum is 44.

The spelling of 20001199967 in words is "twenty billion, one million, one hundred ninety-nine thousand, nine hundred sixty-seven".