20404112300434 has 8 divisors (see below), whose sum is σ = 30606601644288. Its totient is φ = 10201911752340.

The previous prime is 20404112300431. The next prime is 20404112300443. The reversal of 20404112300434 is 43400321140402.

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 (20404112300431) 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, 72022222 + ... + 72304969.

It is an arithmetic number, because the mean of its divisors is an integer number (3825825205536).

Almost surely, 2^{20404112300434} is an apocalyptic number.

20404112300434 is a deficient number, since it is larger than the sum of its proper divisors (10202489343854).

20404112300434 is a wasteful number, since it uses less digits than its factorization.

20404112300434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144397880.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20404112300434 its reverse (43400321140402), we get a palindrome (63804433440836).

The spelling of 20404112300434 in words is "twenty trillion, four hundred four billion, one hundred twelve million, three hundred thousand, four hundred thirty-four".