20320030210 has 16 divisors (see below), whose sum is σ = 36578028600. Its totient is φ = 8127573376.

The previous prime is 20320030207. The next prime is 20320030223. The reversal of 20320030210 is 1203002302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11414144569 + 8905885641 = 106837^2 + 94371^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193056 + ... + 279124.

Almost surely, 2^20320030210 is an apocalyptic number.

20320030210 is a deficient number, since it is larger than the sum of its proper divisors (16257998390).

20320030210 is a wasteful number, since it uses less digits than its factorization.

20320030210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109685.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20320030210 its reverse (1203002302), we get a palindrome (21523032512).

The spelling of 20320030210 in words is "twenty billion, three hundred twenty million, thirty thousand, two hundred ten".