20340431410 has 32 divisors (see below), whose sum is σ = 39819557232. Its totient is φ = 7435948800.

The previous prime is 20340431401. The next prime is 20340431411. The reversal of 20340431410 is 1413404302.

It can be written as a sum of positive squares in 8 ways, for example, as 13132930801 + 7207500609 = 114599^2 + 84897^2 .

It is not an unprimeable number, because it can be changed into a prime (20340431411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761449 + ... + 787708.

Almost surely, 2^20340431410 is an apocalyptic number.

20340431410 is a deficient number, since it is larger than the sum of its proper divisors (19479125822).

20340431410 is a wasteful number, since it uses less digits than its factorization.

20340431410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549278.

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

Adding to 20340431410 its reverse (1413404302), we get a palindrome (21753835712).

The spelling of 20340431410 in words is "twenty billion, three hundred forty million, four hundred thirty-one thousand, four hundred ten".