20340423410 has 8 divisors (see below), whose sum is σ = 36612762156. Its totient is φ = 8136169360.

The previous prime is 20340423379. The next prime is 20340423463. The reversal of 20340423410 is 1432404302.

It can be written as a sum of positive squares in 2 ways, for example, as 19614282601 + 726140809 = 140051^2 + 26947^2 .

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, 1017021161 + ... + 1017021180.

Almost surely, 2^20340423410 is an apocalyptic number.

20340423410 is a deficient number, since it is larger than the sum of its proper divisors (16272338746).

20340423410 is a wasteful number, since it uses less digits than its factorization.

20340423410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034042348.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20340423410 its reverse (1432404302), we get a palindrome (21772827712).

The spelling of 20340423410 in words is "twenty billion, three hundred forty million, four hundred twenty-three thousand, four hundred ten".