420203366 has 16 divisors (see below), whose sum is σ = 688004928. Its totient is φ = 190890600.

The previous prime is 420203351. The next prime is 420203387. The reversal of 420203366 is 663302024.

It is a congruent number.

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, 42401 + ... + 51363.

It is an arithmetic number, because the mean of its divisors is an integer number (43000308).

Almost surely, 2^420203366 is an apocalyptic number.

420203366 is a deficient number, since it is larger than the sum of its proper divisors (267801562).

420203366 is a wasteful number, since it uses less digits than its factorization.

420203366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 420203366 is about 20498.8625538102. The cubic root of 420203366 is about 749.0080908073.

The spelling of 420203366 in words is "four hundred twenty million, two hundred three thousand, three hundred sixty-six".