620900316 has 180 divisors, whose sum is σ = 1820203000. Its totient is φ = 184011264.

The previous prime is 620900311. The next prime is 620900327. The reversal of 620900316 is 613009026.

It is a happy number.

620900316 is a `hidden beast` number, since 620 + 9 + 0 + 0 + 31 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 620900316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620900311) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1778910 + ... + 1779258.

Almost surely, 2^620900316 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 620900316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910101500).

620900316 is an abundant number, since it is smaller than the sum of its proper divisors (1199302684).

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

620900316 is a wasteful number, since it uses less digits than its factorization.

620900316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 620900316 is about 24917.8714179201. The cubic root of 620900316 is about 853.1144412653.

The spelling of 620900316 in words is "six hundred twenty million, nine hundred thousand, three hundred sixteen".