420036522 has 32 divisors (see below), whose sum is σ = 880070400. Its totient is φ = 133468608.

The previous prime is 420036521. The next prime is 420036571. The reversal of 420036522 is 225630024.

It is a junction number, because it is equal to n+sod(n) for n = 420036492 and 420036501.

It is not an unprimeable number, because it can be changed into a prime (420036521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533 + ... + 29024.

It is an arithmetic number, because the mean of its divisors is an integer number (27502200).

Almost surely, 2^420036522 is an apocalyptic number.

420036522 is an abundant number, since it is smaller than the sum of its proper divisors (460033878).

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

420036522 is a wasteful number, since it uses less digits than its factorization.

420036522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30670.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 420036522 is about 20494.7925581110. The cubic root of 420036522 is about 748.9089451242.

Adding to 420036522 its reverse (225630024), we get a palindrome (645666546).

The spelling of 420036522 in words is "four hundred twenty million, thirty-six thousand, five hundred twenty-two".