424020030 has 128 divisors (see below), whose sum is σ = 1202688000. Its totient is φ = 95622912.

The previous prime is 424020029. The next prime is 424020031. The reversal of 424020030 is 30020424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (424020029) and next prime (424020031).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 424019991 and 424020009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424020031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 915579 + ... + 916041.

It is an arithmetic number, because the mean of its divisors is an integer number (9396000).

Almost surely, 2^424020030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424020030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601344000).

424020030 is an abundant number, since it is smaller than the sum of its proper divisors (778667970).

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

424020030 is a wasteful number, since it uses less digits than its factorization.

424020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 424020030 is about 20591.7466476256. The cubic root of 424020030 is about 751.2689805956.

Adding to 424020030 its reverse (30020424), we get a palindrome (454040454).

The spelling of 424020030 in words is "four hundred twenty-four million, twenty thousand, thirty".