403020524420 has 24 divisors (see below), whose sum is σ = 846355608000. Its totient is φ = 161205827552.

The previous prime is 403020524383. The next prime is 403020524429. The reversal of 403020524420 is 24425020304.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 403020524420.

It is not an unprimeable number, because it can be changed into a prime (403020524429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1982681 + ... + 2176479.

It is an arithmetic number, because the mean of its divisors is an integer number (35264817000).

Almost surely, 2^403020524420 is an apocalyptic number.

It is an amenable number.

403020524420 is an abundant number, since it is smaller than the sum of its proper divisors (443335083580).

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

403020524420 is a wasteful number, since it uses less digits than its factorization.

403020524420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297787 (or 297785 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 403020524420 its reverse (24425020304), we get a palindrome (427445544724).

The spelling of 403020524420 in words is "four hundred three billion, twenty million, five hundred twenty-four thousand, four hundred twenty".