4242020220424 has 32 divisors (see below), whose sum is σ = 9090274533120. Its totient is φ = 1817962425216.

The previous prime is 4242020220401. The next prime is 4242020220467. The reversal of 4242020220424 is 4240220202424.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4242020220392 and 4242020220401.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1305297 + ... + 3191839.

It is an arithmetic number, because the mean of its divisors is an integer number (284071079160).

Almost surely, 2^{4242020220424} is an apocalyptic number.

It is an amenable number.

4242020220424 is an abundant number, since it is smaller than the sum of its proper divisors (4848254312696).

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

4242020220424 is a wasteful number, since it uses less digits than its factorization.

4242020220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926709 (or 1926705 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 4242020220424 its reverse (4240220202424), we get a palindrome (8482240422848).

The spelling of 4242020220424 in words is "four trillion, two hundred forty-two billion, twenty million, two hundred twenty thousand, four hundred twenty-four".