403020030420 has 108 divisors (see below), whose sum is σ = 1422084995604. Its totient is φ = 92118862080.

The previous prime is 403020030419. The next prime is 403020030463. The reversal of 403020030420 is 24030020304.

403020030420 is a `hidden beast` number, since 40 + 3 + 0 + 200 + 3 + 0 + 420 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 118235573316 + 284784457104 = 343854^2 + 533652^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 403020030393 and 403020030402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22838121 + ... + 22855760.

It is an arithmetic number, because the mean of its divisors is an integer number (13167453663).

Almost surely, 2^403020030420 is an apocalyptic number.

It is an amenable number.

403020030420 is an abundant number, since it is smaller than the sum of its proper divisors (1019064965184).

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

403020030420 is a wasteful number, since it uses less digits than its factorization.

403020030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45693910 (or 45693898 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 403020030420 its reverse (24030020304), we get a palindrome (427050050724).

The spelling of 403020030420 in words is "four hundred three billion, twenty million, thirty thousand, four hundred twenty".