420134032 has 20 divisors (see below), whose sum is σ = 814549180. Its totient is φ = 209927808.

The previous prime is 420134017. The next prime is 420134047. The reversal of 420134032 is 230431024.

It is an interprime number because it is at equal distance from previous prime (420134017) and next prime (420134047).

It can be written as a sum of positive squares in 2 ways, for example, as 123743376 + 296390656 = 11124^2 + 17216^2 .

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, 18838 + ... + 34570.

It is an arithmetic number, because the mean of its divisors is an integer number (40727459).

Almost surely, 2^420134032 is an apocalyptic number.

It is an amenable number.

420134032 is a deficient number, since it is larger than the sum of its proper divisors (394415148).

420134032 is a wasteful number, since it uses less digits than its factorization.

420134032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17410 (or 17404 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420134032 is about 20497.1713170379. The cubic root of 420134032 is about 748.9668928321.

Adding to 420134032 its reverse (230431024), we get a palindrome (650565056).

The spelling of 420134032 in words is "four hundred twenty million, one hundred thirty-four thousand, thirty-two".