20013113434 has 8 divisors (see below), whose sum is σ = 30025448820. Its totient is φ = 10004630496.

The previous prime is 20013113399. The next prime is 20013113443. The reversal of 20013113434 is 43431131002.

It can be written as a sum of positive squares in 2 ways, for example, as 19305713025 + 707400409 = 138945^2 + 26597^2 .

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, 950089 + ... + 970924.

Almost surely, 2^20013113434 is an apocalyptic number.

20013113434 is a deficient number, since it is larger than the sum of its proper divisors (10012335386).

20013113434 is a wasteful number, since it uses less digits than its factorization.

20013113434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926224.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20013113434 its reverse (43431131002), we get a palindrome (63444244436).

The spelling of 20013113434 in words is "twenty billion, thirteen million, one hundred thirteen thousand, four hundred thirty-four".