20342431210 has 16 divisors (see below), whose sum is σ = 36978916392. Its totient is φ = 8056408000.

The previous prime is 20342431201. The next prime is 20342431211. The reversal of 20342431210 is 1213424302.

It can be written as a sum of positive squares in 4 ways, for example, as 18545264761 + 1797166449 = 136181^2 + 42393^2 .

It is not an unprimeable number, because it can be changed into a prime (20342431211) 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, 10069501 + ... + 10071520.

Almost surely, 2^20342431210 is an apocalyptic number.

20342431210 is a deficient number, since it is larger than the sum of its proper divisors (16636485182).

20342431210 is a wasteful number, since it uses less digits than its factorization.

20342431210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20141129.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20342431210 its reverse (1213424302), we get a palindrome (21555855512).

The spelling of 20342431210 in words is "twenty billion, three hundred forty-two million, four hundred thirty-one thousand, two hundred ten".