430542020 has 12 divisors (see below), whose sum is σ = 904138284. Its totient is φ = 172216800.

The previous prime is 430542011. The next prime is 430542029. The reversal of 430542020 is 20245034.

It is an interprime number because it is at equal distance from previous prime (430542011) and next prime (430542029).

It can be written as a sum of positive squares in 2 ways, for example, as 145540096 + 285001924 = 12064^2 + 16882^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 21527101 = 430542020 / (4 + 3 + 0 + 5 + 4 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 430541983 and 430542001.

It is not an unprimeable number, because it can be changed into a prime (430542029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10763531 + ... + 10763570.

It is an arithmetic number, because the mean of its divisors is an integer number (75344857).

Almost surely, 2^430542020 is an apocalyptic number.

It is an amenable number.

430542020 is an abundant number, since it is smaller than the sum of its proper divisors (473596264).

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

430542020 is a wasteful number, since it uses less digits than its factorization.

430542020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21527110 (or 21527108 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 430542020 is about 20749.5065001556. The cubic root of 430542020 is about 755.1012363700.

Adding to 430542020 its reverse (20245034), we get a palindrome (450787054).

The spelling of 430542020 in words is "four hundred thirty million, five hundred forty-two thousand, twenty".