420798030 has 64 divisors (see below), whose sum is σ = 1060300800. Its totient is φ = 106738560.

The previous prime is 420798019. The next prime is 420798071. The reversal of 420798030 is 30897024.

It is a super-3 number, since 3×420798030³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420797982 and 420798000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51036 + ... + 58704.

It is an arithmetic number, because the mean of its divisors is an integer number (16567200).

Almost surely, 2^420798030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420798030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530150400).

420798030 is an abundant number, since it is smaller than the sum of its proper divisors (639502770).

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

420798030 is a wasteful number, since it uses less digits than its factorization.

420798030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 420798030 is about 20513.3622305072. The cubic root of 420798030 is about 749.3612517108.

The spelling of 420798030 in words is "four hundred twenty million, seven hundred ninety-eight thousand, thirty".