20310240196 has 9 divisors (see below), whose sum is σ = 35543419149. Its totient is φ = 10154977584.

The previous prime is 20310240179. The next prime is 20310240217. The reversal of 20310240196 is 69104201302.

The square root of 20310240196 is 142514.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16892200900 + 3418039296 = 129970^2 + 58464^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 249400 + ... + 320656.

Almost surely, 2^20310240196 is an apocalyptic number.

20310240196 is the 142514-th square number.

It is an amenable number.

20310240196 is a deficient number, since it is larger than the sum of its proper divisors (15233178953).

20310240196 is an frugal number, since it uses more digits than its factorization.

20310240196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142518 (or 71259 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 20310240196 its reverse (69104201302), we get a palindrome (89414441498).

The spelling of 20310240196 in words is "twenty billion, three hundred ten million, two hundred forty thousand, one hundred ninety-six".