10421423042020 has 24 divisors (see below), whose sum is σ = 23036829883200. Its totient is φ = 3949170836832.

The previous prime is 10421423041999. The next prime is 10421423042021. The reversal of 10421423042020 is 2024032412401.

It is not an unprimeable number, because it can be changed into a prime (10421423042021) 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, 13712398360 + ... + 13712399119.

It is an arithmetic number, because the mean of its divisors is an integer number (959867911800).

Almost surely, 2^{10421423042020} is an apocalyptic number.

10421423042020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10421423042020 is an abundant number, since it is smaller than the sum of its proper divisors (12615406841180).

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

10421423042020 is a wasteful number, since it uses less digits than its factorization.

10421423042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27424797507 (or 27424797505 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10421423042020 its reverse (2024032412401), we get a palindrome (12445455454421).

The spelling of 10421423042020 in words is "ten trillion, four hundred twenty-one billion, four hundred twenty-three million, forty-two thousand, twenty".