20001100329 has 36 divisors (see below), whose sum is σ = 35376110640. Its totient is φ = 10827658800.

The previous prime is 20001100309. The next prime is 20001100349. The reversal of 20001100329 is 92300110002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20001100309) and next prime (20001100349).

It is not a de Polignac number, because 20001100329 - 2⁸ = 20001100073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001100309) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1185147 + ... + 1201904.

It is an arithmetic number, because the mean of its divisors is an integer number (982669740).

Almost surely, 2^20001100329 is an apocalyptic number.

It is an amenable number.

20001100329 is a deficient number, since it is larger than the sum of its proper divisors (15375010311).

20001100329 is a wasteful number, since it uses less digits than its factorization.

20001100329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387090 (or 2387080 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The spelling of 20001100329 in words is "twenty billion, one million, one hundred thousand, three hundred twenty-nine".