620523646780 has 12 divisors (see below), whose sum is σ = 1303099658280. Its totient is φ = 248209458704.

The previous prime is 620523646777. The next prime is 620523646781. The reversal of 620523646780 is 87646325026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620523646781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15513091150 + ... + 15513091189.

It is an arithmetic number, because the mean of its divisors is an integer number (108591638190).

Almost surely, 2^620523646780 is an apocalyptic number.

It is an amenable number.

620523646780 is an abundant number, since it is smaller than the sum of its proper divisors (682576011500).

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

620523646780 is a wasteful number, since it uses less digits than its factorization.

620523646780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31026182348 (or 31026182346 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 620523646780 in words is "six hundred twenty billion, five hundred twenty-three million, six hundred forty-six thousand, seven hundred eighty".