20363434342004 has 24 divisors (see below), whose sum is σ = 38379026834400. Its totient is φ = 9398070968544.

The previous prime is 20363434342003. The next prime is 20363434342021. The reversal of 20363434342004 is 40024343436302.

It is a super-2 number, since 2×20363434342004² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20363434342003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7978154 + ... + 10216545.

It is an arithmetic number, because the mean of its divisors is an integer number (1599126118100).

Almost surely, 2^{20363434342004} is an apocalyptic number.

It is an amenable number.

20363434342004 is a deficient number, since it is larger than the sum of its proper divisors (18015592492396).

20363434342004 is a wasteful number, since it uses less digits than its factorization.

20363434342004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18216239 (or 18216237 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 38.

Adding to 20363434342004 its reverse (40024343436302), we get a palindrome (60387777778306).

The spelling of 20363434342004 in words is "twenty trillion, three hundred sixty-three billion, four hundred thirty-four million, three hundred forty-two thousand, four".