420234036 has 12 divisors (see below), whose sum is σ = 980546112. Its totient is φ = 140078008.

The previous prime is 420234029. The next prime is 420234037. The reversal of 420234036 is 630432024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 420233997 and 420234015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420234037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17509740 + ... + 17509763.

It is an arithmetic number, because the mean of its divisors is an integer number (81712176).

Almost surely, 2^420234036 is an apocalyptic number.

It is an amenable number.

420234036 is an abundant number, since it is smaller than the sum of its proper divisors (560312076).

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

420234036 is a wasteful number, since it uses less digits than its factorization.

420234036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35019510 (or 35019508 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 420234036 is about 20499.6106304486. The cubic root of 420234036 is about 749.0263133483.

The spelling of 420234036 in words is "four hundred twenty million, two hundred thirty-four thousand, thirty-six".