420250336 has 48 divisors (see below), whose sum is σ = 955689840. Its totient is φ = 179783680.

The previous prime is 420250301. The next prime is 420250343. The reversal of 420250336 is 633052024.

It is a happy number.

It is a super-2 number, since 2×420250336² = 353220689816225792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420250336.

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, 29131 + ... + 41098.

It is an arithmetic number, because the mean of its divisors is an integer number (19910205).

Almost surely, 2^420250336 is an apocalyptic number.

It is an amenable number.

420250336 is an abundant number, since it is smaller than the sum of its proper divisors (535439504).

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

420250336 is a wasteful number, since it uses less digits than its factorization.

420250336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70267 (or 70259 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 420250336 is about 20500.0081951203. The cubic root of 420250336 is about 749.0359976115.

The spelling of 420250336 in words is "four hundred twenty million, two hundred fifty thousand, three hundred thirty-six".