620350532660 has 12 divisors (see below), whose sum is σ = 1302736118628. Its totient is φ = 248140213056.

The previous prime is 620350532611. The next prime is 620350532687. The reversal of 620350532660 is 66235053026.

620350532660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 429187455376 + 191163077284 = 655124^2 + 437222^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15508763297 + ... + 15508763336.

It is an arithmetic number, because the mean of its divisors is an integer number (108561343219).

Almost surely, 2^620350532660 is an apocalyptic number.

It is an amenable number.

620350532660 is an abundant number, since it is smaller than the sum of its proper divisors (682385585968).

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

620350532660 is a wasteful number, since it uses less digits than its factorization.

620350532660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31017526642 (or 31017526640 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 620350532660 its reverse (66235053026), we get a palindrome (686585585686).

The spelling of 620350532660 in words is "six hundred twenty billion, three hundred fifty million, five hundred thirty-two thousand, six hundred sixty".