20320130002 has 8 divisors (see below), whose sum is σ = 31531236300. Its totient is φ = 9809717904.

The previous prime is 20320129993. The next prime is 20320130023. The reversal of 20320130002 is 20003102302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20022533001 + 297597001 = 141501^2 + 17251^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175173477 + ... + 175173592.

Almost surely, 2^20320130002 is an apocalyptic number.

20320130002 is a deficient number, since it is larger than the sum of its proper divisors (11211106298).

20320130002 is a wasteful number, since it uses less digits than its factorization.

20320130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350347100.

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

Adding to 20320130002 its reverse (20003102302), we get a palindrome (40323232304).

The spelling of 20320130002 in words is "twenty billion, three hundred twenty million, one hundred thirty thousand, two".