20130342322 has 16 divisors (see below), whose sum is σ = 31436433432. Its totient is φ = 9658984320.

The previous prime is 20130342313. The next prime is 20130342329. The reversal of 20130342322 is 22324303102.

It can be written as a sum of positive squares in 4 ways, for example, as 18749551041 + 1380791281 = 136929^2 + 37159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20130342293 and 20130342302.

It is not an unprimeable number, because it can be changed into a prime (20130342329) 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, 1857829 + ... + 1868632.

Almost surely, 2^20130342322 is an apocalyptic number.

20130342322 is a deficient number, since it is larger than the sum of its proper divisors (11306091110).

20130342322 is a wasteful number, since it uses less digits than its factorization.

20130342322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726573.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20130342322 its reverse (22324303102), we get a palindrome (42454645424).

The spelling of 20130342322 in words is "twenty billion, one hundred thirty million, three hundred forty-two thousand, three hundred twenty-two".