420321010 has 16 divisors (see below), whose sum is σ = 756855576. Its totient is φ = 168066688.

The previous prime is 420320969. The next prime is 420321019. The reversal of 420321010 is 10123024.

It can be written as a sum of positive squares in 4 ways, for example, as 418570681 + 1750329 = 20459^2 + 1323^2 .

It is not an unprimeable number, because it can be changed into a prime (420321019) 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, 29382 + ... + 41278.

Almost surely, 2^420321010 is an apocalyptic number.

420321010 is a deficient number, since it is larger than the sum of its proper divisors (336534566).

420321010 is a wasteful number, since it uses less digits than its factorization.

420321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15437.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 420321010 is about 20501.7318780634. The cubic root of 420321010 is about 749.0779840169.

Adding to 420321010 its reverse (10123024), we get a palindrome (430444034).

The spelling of 420321010 in words is "four hundred twenty million, three hundred twenty-one thousand, ten".