420031412 has 6 divisors (see below), whose sum is σ = 735054978. Its totient is φ = 210015704.

The previous prime is 420031411. The next prime is 420031441. The reversal of 420031412 is 214130024.

It can be written as a sum of positive squares in only one way, i.e., 419676196 + 355216 = 20486^2 + 596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420031411) 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 as a sum of consecutive naturals, namely, 52503923 + ... + 52503930.

It is an arithmetic number, because the mean of its divisors is an integer number (122509163).

Almost surely, 2^420031412 is an apocalyptic number.

It is an amenable number.

420031412 is a deficient number, since it is larger than the sum of its proper divisors (315023566).

420031412 is a wasteful number, since it uses less digits than its factorization.

420031412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105007857 (or 105007855 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 420031412 is about 20494.6678919176. The cubic root of 420031412 is about 748.9059081342.

Adding to 420031412 its reverse (214130024), we get a palindrome (634161436).

The spelling of 420031412 in words is "four hundred twenty million, thirty-one thousand, four hundred twelve".