420231074 has 8 divisors (see below), whose sum is σ = 640680348. Its totient is φ = 206670960.

The previous prime is 420231061. The next prime is 420231103. The reversal of 420231074 is 470132024.

It can be written as a sum of positive squares in 2 ways, for example, as 398281849 + 21949225 = 19957^2 + 4685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 1722137 + ... + 1722380.

Almost surely, 2^420231074 is an apocalyptic number.

420231074 is a deficient number, since it is larger than the sum of its proper divisors (220449274).

420231074 is a wasteful number, since it uses less digits than its factorization.

420231074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444580.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 420231074 is about 20499.5383850466. The cubic root of 420231074 is about 749.0245535185.

Adding to 420231074 its reverse (470132024), we get a palindrome (890363098).

The spelling of 420231074 in words is "four hundred twenty million, two hundred thirty-one thousand, seventy-four".