4224020220 has 72 divisors (see below), whose sum is σ = 14643274464. Its totient is φ = 965490048.

The previous prime is 4224020197. The next prime is 4224020231. The reversal of 4224020220 is 220204224.

4224020220 is a `hidden beast` number, since 42 + 2 + 402 + 0 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4224020193 and 4224020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1674939 + ... + 1677458.

It is an arithmetic number, because the mean of its divisors is an integer number (203378812).

Almost surely, 2^4224020220 is an apocalyptic number.

It is an amenable number.

4224020220 is an abundant number, since it is smaller than the sum of its proper divisors (10419254244).

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

4224020220 is a wasteful number, since it uses less digits than its factorization.

4224020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352419 (or 3352414 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4224020220 is about 64992.4627937732. The cubic root of 4224020220 is about 1616.4985875968.

Adding to 4224020220 its reverse (220204224), we get a palindrome (4444224444).

The spelling of 4224020220 in words is "four billion, two hundred twenty-four million, twenty thousand, two hundred twenty".