4220023420 has 48 divisors (see below), whose sum is σ = 9063300960. Its totient is φ = 1650087936.

The previous prime is 4220023393. The next prime is 4220023429. The reversal of 4220023420 is 243200224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220023429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152191 + ... + 177769.

It is an arithmetic number, because the mean of its divisors is an integer number (188818770).

Almost surely, 2^4220023420 is an apocalyptic number.

It is an amenable number.

4220023420 is an abundant number, since it is smaller than the sum of its proper divisors (4843277540).

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

4220023420 is a wasteful number, since it uses less digits than its factorization.

4220023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25774 (or 25772 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4220023420 is about 64961.7073359375. The cubic root of 4220023420 is about 1615.9885789597.

Adding to 4220023420 its reverse (243200224), we get a palindrome (4463223644).

The spelling of 4220023420 in words is "four billion, two hundred twenty million, twenty-three thousand, four hundred twenty".