4244242020420 has 48 divisors (see below), whose sum is σ = 11895206601600. Its totient is φ = 1130718925056.

The previous prime is 4244242020401. The next prime is 4244242020439. The reversal of 4244242020420 is 240202424424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4244242020401) and next prime (4244242020439).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33653632 + ... + 33779511.

It is an arithmetic number, because the mean of its divisors is an integer number (247816804200).

Almost surely, 2^{4244242020420} is an apocalyptic number.

It is an amenable number.

4244242020420 is an abundant number, since it is smaller than the sum of its proper divisors (7650964581180).

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

4244242020420 is a wasteful number, since it uses less digits than its factorization.

4244242020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67434204 (or 67434202 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 4244242020420 its reverse (240202424424), we get a palindrome (4484444444844).

The spelling of 4244242020420 in words is "four trillion, two hundred forty-four billion, two hundred forty-two million, twenty thousand, four hundred twenty".