620623052 has 48 divisors (see below), whose sum is σ = 1291100160. Its totient is φ = 255483072.

The previous prime is 620623051. The next prime is 620623123. The reversal of 620623052 is 250326026.

It is not an unprimeable number, because it can be changed into a prime (620623051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78053 + ... + 85635.

It is an arithmetic number, because the mean of its divisors is an integer number (26897920).

Almost surely, 2^620623052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620623052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645550080).

620623052 is an abundant number, since it is smaller than the sum of its proper divisors (670477108).

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

620623052 is a wasteful number, since it uses less digits than its factorization.

620623052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710 (or 7708 counting only the distinct ones).

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

The square root of 620623052 is about 24912.3072395955. The cubic root of 620623052 is about 852.9874358325.

Adding to 620623052 its reverse (250326026), we get a palindrome (870949078).

The spelling of 620623052 in words is "six hundred twenty million, six hundred twenty-three thousand, fifty-two".