420303338 has 48 divisors (see below), whose sum is σ = 783919296. Its totient is φ = 165484800.

The previous prime is 420303337. The next prime is 420303343. The reversal of 420303338 is 833303024.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420303337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 948545 + ... + 948987.

It is an arithmetic number, because the mean of its divisors is an integer number (16331652).

Almost surely, 2^420303338 is an apocalyptic number.

420303338 is a deficient number, since it is larger than the sum of its proper divisors (363615958).

420303338 is a wasteful number, since it uses less digits than its factorization.

420303338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 866 counting only the distinct ones).

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

The square root of 420303338 is about 20501.3008855536. The cubic root of 420303338 is about 749.0674857776.

The spelling of 420303338 in words is "four hundred twenty million, three hundred three thousand, three hundred thirty-eight".