420020414 has 16 divisors (see below), whose sum is σ = 687747456. Its totient is φ = 190795800.

The previous prime is 420020413. The next prime is 420020423. The reversal of 420020414 is 414020024.

It is a junction number, because it is equal to n+sod(n) for n = 420020392 and 420020401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420020413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35069 + ... + 45495.

It is an arithmetic number, because the mean of its divisors is an integer number (42984216).

Almost surely, 2^420020414 is an apocalyptic number.

420020414 is a deficient number, since it is larger than the sum of its proper divisors (267727042).

420020414 is a wasteful number, since it uses less digits than its factorization.

420020414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12271.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 420020414 is about 20494.3995764697. The cubic root of 420020414 is about 748.8993716873.

Adding to 420020414 its reverse (414020024), we get a palindrome (834040438).

The spelling of 420020414 in words is "four hundred twenty million, twenty thousand, four hundred fourteen".