20320310229 has 16 divisors (see below), whose sum is σ = 27304257600. Its totient is φ = 13441809920.

The previous prime is 20320310207. The next prime is 20320310233. The reversal of 20320310229 is 92201302302.

It is a cyclic number.

It is not a de Polignac number, because 20320310229 - 2⁹ = 20320309717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20320310199 and 20320310208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320310279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410629 + ... + 457445.

It is an arithmetic number, because the mean of its divisors is an integer number (1706516100).

Almost surely, 2^20320310229 is an apocalyptic number.

It is an amenable number.

20320310229 is a deficient number, since it is larger than the sum of its proper divisors (6983947371).

20320310229 is a wasteful number, since it uses less digits than its factorization.

20320310229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47940.

The product of its (nonzero) digits is 1296, while the sum is 24.

The spelling of 20320310229 in words is "twenty billion, three hundred twenty million, three hundred ten thousand, two hundred twenty-nine".