420546202 has 8 divisors (see below), whose sum is σ = 642721716. Its totient is φ = 206305632.

The previous prime is 420546179. The next prime is 420546227. The reversal of 420546202 is 202645024.

It can be written as a sum of positive squares in 2 ways, for example, as 396447921 + 24098281 = 19911^2 + 4909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 1983603 + ... + 1983814.

Almost surely, 2^420546202 is an apocalyptic number.

420546202 is a deficient number, since it is larger than the sum of its proper divisors (222175514).

420546202 is a wasteful number, since it uses less digits than its factorization.

420546202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967472.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 420546202 is about 20507.2231664845. The cubic root of 420546202 is about 749.2117359581.

The spelling of 420546202 in words is "four hundred twenty million, five hundred forty-six thousand, two hundred two".