20123340410 has 16 divisors (see below), whose sum is σ = 37471048200. Its totient is φ = 7771772736.

The previous prime is 20123340397. The next prime is 20123340427. The reversal of 20123340410 is 1404332102.

It can be written as a sum of positive squares in 4 ways, for example, as 11466340561 + 8656999849 = 107081^2 + 93043^2 .

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, 34695125 + ... + 34695704.

Almost surely, 2^20123340410 is an apocalyptic number.

20123340410 is a deficient number, since it is larger than the sum of its proper divisors (17347707790).

20123340410 is a wasteful number, since it uses less digits than its factorization.

20123340410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69390865.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20123340410 its reverse (1404332102), we get a palindrome (21527672512).

The spelling of 20123340410 in words is "twenty billion, one hundred twenty-three million, three hundred forty thousand, four hundred ten".