20311000329 has 8 divisors (see below), whose sum is σ = 27954925312. Its totient is φ = 13103871120.

The previous prime is 20311000289. The next prime is 20311000417. The reversal of 20311000329 is 92300011302.

It is a happy number.

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

It is not a de Polignac number, because 20311000329 - 2¹⁵ = 20310967561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20311010329) 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, 109198834 + ... + 109199019.

It is an arithmetic number, because the mean of its divisors is an integer number (3494365664).

Almost surely, 2^20311000329 is an apocalyptic number.

It is an amenable number.

20311000329 is a deficient number, since it is larger than the sum of its proper divisors (7643924983).

20311000329 is a wasteful number, since it uses less digits than its factorization.

20311000329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218397887.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 20311000329 in words is "twenty billion, three hundred eleven million, three hundred twenty-nine", and thus it is an aban number.