20320222229 has 8 divisors (see below), whose sum is σ = 21205452672. Its totient is φ = 19435137040.

The previous prime is 20320222199. The next prime is 20320222249. The reversal of 20320222229 is 92222202302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20320222229 is a prime.

It is a super-2 number, since 2×20320222229² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20320222198 and 20320222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320222249) 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, 327032 + ... + 384174.

It is an arithmetic number, because the mean of its divisors is an integer number (2650681584).

Almost surely, 2^20320222229 is an apocalyptic number.

It is an amenable number.

20320222229 is a deficient number, since it is larger than the sum of its proper divisors (885230443).

20320222229 is a wasteful number, since it uses less digits than its factorization.

20320222229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72627.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 20320222229 in words is "twenty billion, three hundred twenty million, two hundred twenty-two thousand, two hundred twenty-nine".