20329670371 has 4 divisors (see below), whose sum is σ = 21525533352. Its totient is φ = 19133807392.

The previous prime is 20329670363. The next prime is 20329670377. The reversal of 20329670371 is 17307692302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20329670371 - 2³ = 20329670363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20329670377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597931465 + ... + 597931498.

It is an arithmetic number, because the mean of its divisors is an integer number (5381383338).

Almost surely, 2^20329670371 is an apocalyptic number.

20329670371 is a deficient number, since it is larger than the sum of its proper divisors (1195862981).

20329670371 is a wasteful number, since it uses less digits than its factorization.

20329670371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195862980.

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 20329670371 in words is "twenty billion, three hundred twenty-nine million, six hundred seventy thousand, three hundred seventy-one".