1000030420 has 48 divisors (see below), whose sum is σ = 2227579200. Its totient is φ = 376047360.

The previous prime is 1000030393. The next prime is 1000030429. The reversal of 1000030420 is 240300001.

1000030420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1000030397 and 1000030406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000030429) 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, 39736 + ... + 59824.

It is an arithmetic number, because the mean of its divisors is an integer number (46407900).

Almost surely, 2^1000030420 is an apocalyptic number.

1000030420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000030420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113789600).

1000030420 is an abundant number, since it is smaller than the sum of its proper divisors (1227548780).

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

1000030420 is a wasteful number, since it uses less digits than its factorization.

1000030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20248 (or 20246 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1000030420 is about 31623.2575804581. The cubic root of 1000030420 is about 1000.0101398972.

Adding to 1000030420 its reverse (240300001), we get a palindrome (1240330421).

The spelling of 1000030420 in words is "one billion, thirty thousand, four hundred twenty".