420341432 has 16 divisors (see below), whose sum is σ = 900731760. Its totient is φ = 180146304.

The previous prime is 420341413. The next prime is 420341443. The reversal of 420341432 is 234143024.

It is a junction number, because it is equal to n+sod(n) for n = 420341398 and 420341407.

It is a congruent number.

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, 3752993 + ... + 3753104.

It is an arithmetic number, because the mean of its divisors is an integer number (56295735).

Almost surely, 2^420341432 is an apocalyptic number.

It is an amenable number.

420341432 is an abundant number, since it is smaller than the sum of its proper divisors (480390328).

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

420341432 is a wasteful number, since it uses less digits than its factorization.

420341432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506110 (or 7506106 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 420341432 is about 20502.2299274981. The cubic root of 420341432 is about 749.0901155564.

Adding to 420341432 its reverse (234143024), we get a palindrome (654484456).

The spelling of 420341432 in words is "four hundred twenty million, three hundred forty-one thousand, four hundred thirty-two".