4220169420 has 288 divisors, whose sum is σ = 13470867648. Its totient is φ = 983384064.

The previous prime is 4220169413. The next prime is 4220169449. The reversal of 4220169420 is 249610224.

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 95 ways as a sum of consecutive naturals, for example, 26879982 + ... + 26880138.

It is an arithmetic number, because the mean of its divisors is an integer number (46773846).

Almost surely, 2^4220169420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4220169420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6735433824).

4220169420 is an abundant number, since it is smaller than the sum of its proper divisors (9250698228).

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

4220169420 is a wasteful number, since it uses less digits than its factorization.

4220169420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4220169420 is about 64962.8310651560. The cubic root of 4220169420 is about 1616.0072148446.

Adding to 4220169420 its reverse (249610224), we get a palindrome (4469779644).

The spelling of 4220169420 in words is "four billion, two hundred twenty million, one hundred sixty-nine thousand, four hundred twenty".