420305014 has 8 divisors (see below), whose sum is σ = 634473648. Its totient is φ = 208813800.

The previous prime is 420305009. The next prime is 420305021. The reversal of 420305014 is 410503024.

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

It is a junction number, because it is equal to n+sod(n) for n = 420304982 and 420305000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668962 + ... + 669589.

It is an arithmetic number, because the mean of its divisors is an integer number (79309206).

Almost surely, 2^420305014 is an apocalyptic number.

420305014 is a deficient number, since it is larger than the sum of its proper divisors (214168634).

420305014 is a wasteful number, since it uses less digits than its factorization.

420305014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338710.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 420305014 is about 20501.3417609677. The cubic root of 420305014 is about 749.0684814358.

Adding to 420305014 its reverse (410503024), we get a palindrome (830808038).

The spelling of 420305014 in words is "four hundred twenty million, three hundred five thousand, fourteen".