20042203434232 has 32 divisors (see below), whose sum is σ = 45207977673600. Its totient is φ = 8137435980384.

The previous prime is 20042203434173. The next prime is 20042203434233. The reversal of 20042203434232 is 23243430224002.

It is a junction number, because it is equal to n+sod(n) for n = 20042203434194 and 20042203434203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042203434233) 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, 9418327618 + ... + 9418329745.

It is an arithmetic number, because the mean of its divisors is an integer number (1412749302300).

Almost surely, 2^{20042203434232} is an apocalyptic number.

It is an amenable number.

20042203434232 is an abundant number, since it is smaller than the sum of its proper divisors (25165774239368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20042203434232 is a wasteful number, since it uses less digits than its factorization.

20042203434232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18836657395 (or 18836657391 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 20042203434232 its reverse (23243430224002), we get a palindrome (43285633658234).

The spelling of 20042203434232 in words is "twenty trillion, forty-two billion, two hundred three million, four hundred thirty-four thousand, two hundred thirty-two".