420259310 has 16 divisors (see below), whose sum is σ = 763408800. Its totient is φ = 166561056.

The previous prime is 420259249. The next prime is 420259319. The reversal of 420259310 is 13952024.

It is a super-2 number, since 2×420259310² = 353235775283352200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 420259310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420259319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191690 + ... + 193869.

It is an arithmetic number, because the mean of its divisors is an integer number (47713050).

Almost surely, 2^420259310 is an apocalyptic number.

420259310 is a deficient number, since it is larger than the sum of its proper divisors (343149490).

420259310 is a wasteful number, since it uses less digits than its factorization.

420259310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385675.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 420259310 is about 20500.2270719131. The cubic root of 420259310 is about 749.0413291966.

The spelling of 420259310 in words is "four hundred twenty million, two hundred fifty-nine thousand, three hundred ten".