420323244 has 48 divisors (see below), whose sum is σ = 1126231680. Its totient is φ = 120666240.

The previous prime is 420323221. The next prime is 420323251. The reversal of 420323244 is 442323024.

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, 81289 + ... + 86304.

It is an arithmetic number, because the mean of its divisors is an integer number (23463160).

Almost surely, 2^420323244 is an apocalyptic number.

420323244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420323244 is an abundant number, since it is smaller than the sum of its proper divisors (705908436).

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

420323244 is a wasteful number, since it uses less digits than its factorization.

420323244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167630 (or 167628 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 420323244 is about 20501.7863611930. The cubic root of 420323244 is about 749.0793111274.

Adding to 420323244 its reverse (442323024), we get a palindrome (862646268).

The spelling of 420323244 in words is "four hundred twenty million, three hundred twenty-three thousand, two hundred forty-four".