620517701120 has 40 divisors (see below), whose sum is σ = 1487788150464. Its totient is φ = 248207079424.

The previous prime is 620517701107. The next prime is 620517701137. The reversal of 620517701120 is 21107715026.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 121192304 + ... + 121197423.

Almost surely, 2^620517701120 is an apocalyptic number.

It is an amenable number.

620517701120 is an abundant number, since it is smaller than the sum of its proper divisors (867270449344).

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

620517701120 is an equidigital number, since it uses as much as digits as its factorization.

620517701120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242389750 (or 242389734 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 620517701120 in words is "six hundred twenty billion, five hundred seventeen million, seven hundred one thousand, one hundred twenty".