420524012 has 24 divisors (see below), whose sum is σ = 762093360. Its totient is φ = 202798400.

The previous prime is 420524009. The next prime is 420524023. The reversal of 420524012 is 210425024.

It is a happy number.

It is a super-2 number, since 2×420524012² = 353680889337152288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219563 + ... + 221469.

It is an arithmetic number, because the mean of its divisors is an integer number (31753890).

Almost surely, 2^420524012 is an apocalyptic number.

It is an amenable number.

420524012 is a deficient number, since it is larger than the sum of its proper divisors (341569348).

420524012 is a wasteful number, since it uses less digits than its factorization.

420524012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841 (or 3839 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 420524012 is about 20506.6821304666. The cubic root of 420524012 is about 749.1985584121.

Adding to 420524012 its reverse (210425024), we get a palindrome (630949036).

It can be divided in two parts, 42052 and 4012, that added together give a palindrome (46064).

The spelling of 420524012 in words is "four hundred twenty million, five hundred twenty-four thousand, twelve".