421142020004 has 12 divisors (see below), whose sum is σ = 737666719104. Its totient is φ = 210380100264.

The previous prime is 421142019971. The next prime is 421142020027. The reversal of 421142020004 is 400020241124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47722472 + ... + 47731295.

It is an arithmetic number, because the mean of its divisors is an integer number (61472226592).

Almost surely, 2^421142020004 is an apocalyptic number.

It is an amenable number.

421142020004 is a deficient number, since it is larger than the sum of its proper divisors (316524699100).

421142020004 is a wasteful number, since it uses less digits than its factorization.

421142020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95454874 (or 95454872 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 421142020004 its reverse (400020241124), we get a palindrome (821162261128).

The spelling of 421142020004 in words is "four hundred twenty-one billion, one hundred forty-two million, twenty thousand, four".