620145513050 has 48 divisors (see below), whose sum is σ = 1320271425792. Its totient is φ = 212295633600.

The previous prime is 620145513049. The next prime is 620145513151. The reversal of 620145513050 is 50315541026.

It is a junction number, because it is equal to n+sod(n) for n = 620145512998 and 620145513016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1128146 + ... + 1585245.

It is an arithmetic number, because the mean of its divisors is an integer number (27505654704).

Almost surely, 2^620145513050 is an apocalyptic number.

620145513050 is an abundant number, since it is smaller than the sum of its proper divisors (700125912742).

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

620145513050 is a wasteful number, since it uses less digits than its factorization.

620145513050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714063 (or 2714058 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 620145513050 in words is "six hundred twenty billion, one hundred forty-five million, five hundred thirteen thousand, fifty".