420324470 has 16 divisors (see below), whose sum is σ = 756958608. Its totient is φ = 168046560.

The previous prime is 420324469. The next prime is 420324481. The reversal of 420324470 is 74423024.

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, 13400 + ... + 31940.

It is an arithmetic number, because the mean of its divisors is an integer number (47309913).

Almost surely, 2^420324470 is an apocalyptic number.

420324470 is a deficient number, since it is larger than the sum of its proper divisors (336634138).

420324470 is a wasteful number, since it uses less digits than its factorization.

420324470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20815.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 420324470 is about 20501.8162610048. The cubic root of 420324470 is about 749.0800394322.

Adding to 420324470 its reverse (74423024), we get a palindrome (494747494).

The spelling of 420324470 in words is "four hundred twenty million, three hundred twenty-four thousand, four hundred seventy".