620312052 has 24 divisors (see below), whose sum is σ = 1448752032. Its totient is φ = 206576800.

The previous prime is 620311987. The next prime is 620312071. The reversal of 620312052 is 250213026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10599 + ... + 36782.

It is an arithmetic number, because the mean of its divisors is an integer number (60364668).

Almost surely, 2^620312052 is an apocalyptic number.

It is an amenable number.

620312052 is an abundant number, since it is smaller than the sum of its proper divisors (828439980).

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

620312052 is a wasteful number, since it uses less digits than its factorization.

620312052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48479 (or 48477 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 620312052 is about 24906.0645626723. The cubic root of 620312052 is about 852.8449320399.

Adding to 620312052 its reverse (250213026), we get a palindrome (870525078).

The spelling of 620312052 in words is "six hundred twenty million, three hundred twelve thousand, fifty-two".