20402243301134 has 8 divisors (see below), whose sum is σ = 30605881505328. Its totient is φ = 10200282799360.

The previous prime is 20402243301109. The next prime is 20402243301137. The reversal of 20402243301134 is 43110334220402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20402243301097 and 20402243301106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402243301137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419395202 + ... + 419443845.

It is an arithmetic number, because the mean of its divisors is an integer number (3825735188166).

Almost surely, 2^{20402243301134} is an apocalyptic number.

20402243301134 is a deficient number, since it is larger than the sum of its proper divisors (10203638204194).

20402243301134 is a wasteful number, since it uses less digits than its factorization.

20402243301134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838851210.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20402243301134 its reverse (43110334220402), we get a palindrome (63512577521536).

The spelling of 20402243301134 in words is "twenty trillion, four hundred two billion, two hundred forty-three million, three hundred one thousand, one hundred thirty-four".