20313303229 has 4 divisors (see below), whose sum is σ = 20442687484. Its totient is φ = 20183918976.

The previous prime is 20313303223. The next prime is 20313303233. The reversal of 20313303229 is 92230331302.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2257200100 + 18056103129 = 47510^2 + 134373^2 .

It is a cyclic number.

It is not a de Polignac number, because 20313303229 - 2³ = 20313303221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20313303197 and 20313303206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313303221) 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, 64691892 + ... + 64692205.

It is an arithmetic number, because the mean of its divisors is an integer number (5110671871).

Almost surely, 2^20313303229 is an apocalyptic number.

It is an amenable number.

20313303229 is a deficient number, since it is larger than the sum of its proper divisors (129384255).

20313303229 is a wasteful number, since it uses less digits than its factorization.

20313303229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129384254.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 20313303229 in words is "twenty billion, three hundred thirteen million, three hundred three thousand, two hundred twenty-nine".