420032434 has 8 divisors (see below), whose sum is σ = 635010048. Its totient is φ = 208362420.

The previous prime is 420032383. The next prime is 420032453. The reversal of 420032434 is 434230024.

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

It is a super-2 number, since 2×420032434² = 352854491223928712, which contains 22 as substring.

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, 826582 + ... + 827089.

It is an arithmetic number, because the mean of its divisors is an integer number (79376256).

Almost surely, 2^420032434 is an apocalyptic number.

420032434 is a deficient number, since it is larger than the sum of its proper divisors (214977614).

420032434 is a wasteful number, since it uses less digits than its factorization.

420032434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653800.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 420032434 is about 20494.6928252170. The cubic root of 420032434 is about 748.9065155341.

Adding to 420032434 its reverse (434230024), we get a palindrome (854262458).

The spelling of 420032434 in words is "four hundred twenty million, thirty-two thousand, four hundred thirty-four".