620315432 has 16 divisors (see below), whose sum is σ = 1268827200. Its totient is φ = 281961520.

The previous prime is 620315419. The next prime is 620315441. The reversal of 620315432 is 234513026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3524432 + ... + 3524607.

It is an arithmetic number, because the mean of its divisors is an integer number (79301700).

Almost surely, 2^620315432 is an apocalyptic number.

It is an amenable number.

620315432 is an abundant number, since it is smaller than the sum of its proper divisors (648511768).

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

620315432 is a wasteful number, since it uses less digits than its factorization.

620315432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049056 (or 7049052 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 620315432 is about 24906.1324175393. The cubic root of 620315432 is about 852.8464810509.

Adding to 620315432 its reverse (234513026), we get a palindrome (854828458).

The spelling of 620315432 in words is "six hundred twenty million, three hundred fifteen thousand, four hundred thirty-two".