620035236656 has 80 divisors (see below), whose sum is σ = 1316323368960. Its totient is φ = 280589909760.

The previous prime is 620035236631. The next prime is 620035236661. The reversal of 620035236656 is 656632530026.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63699566 + ... + 63709298.

It is an arithmetic number, because the mean of its divisors is an integer number (16454042112).

Almost surely, 2^620035236656 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 620035236656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658161684480).

620035236656 is an abundant number, since it is smaller than the sum of its proper divisors (696288132304).

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

620035236656 is a wasteful number, since it uses less digits than its factorization.

620035236656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11314 (or 11308 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 620035236656 in words is "six hundred twenty billion, thirty-five million, two hundred thirty-six thousand, six hundred fifty-six".