420154204 has 48 divisors (see below), whose sum is σ = 785473920. Its totient is φ = 196297920.

The previous prime is 420154199. The next prime is 420154261. The reversal of 420154204 is 402451024.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 653107 + ... + 653749.

It is an arithmetic number, because the mean of its divisors is an integer number (16364040).

Almost surely, 2^420154204 is an apocalyptic number.

It is an amenable number.

420154204 is a deficient number, since it is larger than the sum of its proper divisors (365319716).

420154204 is a wasteful number, since it uses less digits than its factorization.

420154204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 420154204 is about 20497.6633790293. The cubic root of 420154204 is about 748.9788794183.

The spelling of 420154204 in words is "four hundred twenty million, one hundred fifty-four thousand, two hundred four".