20411004434 has 8 divisors (see below), whose sum is σ = 30617244108. Its totient is φ = 10205256400.

The previous prime is 20411004409. The next prime is 20411004437. The reversal of 20411004434 is 43440011402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10944298225 + 9466706209 = 104615^2 + 97297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20411004437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9344 + ... + 202260.

Almost surely, 2^20411004434 is an apocalyptic number.

20411004434 is a deficient number, since it is larger than the sum of its proper divisors (10206239674).

20411004434 is a wasteful number, since it uses less digits than its factorization.

20411004434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245820.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20411004434 its reverse (43440011402), we get a palindrome (63851015836).

The spelling of 20411004434 in words is "twenty billion, four hundred eleven million, four thousand, four hundred thirty-four".