420414030 has 32 divisors (see below), whose sum is σ = 1121104800. Its totient is φ = 112110336.

The previous prime is 420414019. The next prime is 420414061. The reversal of 420414030 is 30414024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 420413994 and 420414012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778275 + ... + 778814.

It is an arithmetic number, because the mean of its divisors is an integer number (35034525).

Almost surely, 2^420414030 is an apocalyptic number.

420414030 is an abundant number, since it is smaller than the sum of its proper divisors (700690770).

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

420414030 is a wasteful number, since it uses less digits than its factorization.

420414030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557105 (or 1557099 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 420414030 is about 20504.0003413968. Note that the first 3 decimals coincide. The cubic root of 420414030 is about 749.1332386856.

Adding to 420414030 its reverse (30414024), we get a palindrome (450828054).

The spelling of 420414030 in words is "four hundred twenty million, four hundred fourteen thousand, thirty".