620520373 has 24 divisors (see below), whose sum is σ = 718169760. Its totient is φ = 531632160.

The previous prime is 620520361. The next prime is 620520389. The reversal of 620520373 is 373025026.

It is a de Polignac number, because none of the positive numbers 2^k-620520373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620500373) by changing a digit.

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, 1218843 + ... + 1219351.

It is an arithmetic number, because the mean of its divisors is an integer number (29923740).

Almost surely, 2^620520373 is an apocalyptic number.

It is an amenable number.

620520373 is a deficient number, since it is larger than the sum of its proper divisors (97649387).

620520373 is a wasteful number, since it uses less digits than its factorization.

620520373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 620520373 is about 24910.2463456305. The cubic root of 620520373 is about 852.9403923939.

Adding to 620520373 its reverse (373025026), we get a palindrome (993545399).

The spelling of 620520373 in words is "six hundred twenty million, five hundred twenty thousand, three hundred seventy-three".