620346120063 has 12 divisors (see below), whose sum is σ = 878644794120. Its totient is φ = 389236780672.

The previous prime is 620346120059. The next prime is 620346120073. The reversal of 620346120063 is 360021643026.

It is not a de Polignac number, because 620346120063 - 2² = 620346120059 is a prime.

It is a super-2 number, since 2×620346120063² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620346120073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357753528 + ... + 357755261.

It is an arithmetic number, because the mean of its divisors is an integer number (73220399510).

Almost surely, 2^620346120063 is an apocalyptic number.

620346120063 is a deficient number, since it is larger than the sum of its proper divisors (258298674057).

620346120063 is a wasteful number, since it uses less digits than its factorization.

620346120063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715508826 (or 715508809 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 620346120063 its reverse (360021643026), we get a palindrome (980367763089).

The spelling of 620346120063 in words is "six hundred twenty billion, three hundred forty-six million, one hundred twenty thousand, sixty-three".