620670336 has 256 divisors, whose sum is σ = 1974067200. Its totient is φ = 170311680.

The previous prime is 620670331. The next prime is 620670343. The reversal of 620670336 is 633076026.

620670336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 620670297 and 620670306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620670331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4887105 + ... + 4887231.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^620670336 is an apocalyptic number.

620670336 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620670336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987033600).

620670336 is an abundant number, since it is smaller than the sum of its proper divisors (1353396864).

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

620670336 is a wasteful number, since it uses less digits than its factorization.

620670336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 620670336 is about 24913.2562303686. The cubic root of 620670336 is about 853.0090977380.

The spelling of 620670336 in words is "six hundred twenty million, six hundred seventy thousand, three hundred thirty-six".