620254705230865 has 16 divisors (see below), whose sum is σ = 794514552001920. Its totient is φ = 463466821991040.

The previous prime is 620254705230847. The next prime is 620254705230871. The reversal of 620254705230865 is 568032507452026.

It is not a de Polignac number, because 620254705230865 - 2¹¹ = 620254705228817 is a prime.

It is a super-2 number, since 2×620254705230865² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45978844644 + ... + 45978858133.

It is an arithmetic number, because the mean of its divisors is an integer number (49657159500120).

Almost surely, 2^{620254705230865} is an apocalyptic number.

It is an amenable number.

620254705230865 is a deficient number, since it is larger than the sum of its proper divisors (174259846771055).

620254705230865 is a wasteful number, since it uses less digits than its factorization.

620254705230865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91957702872.

The product of its (nonzero) digits is 24192000, while the sum is 55.

The spelling of 620254705230865 in words is "six hundred twenty trillion, two hundred fifty-four billion, seven hundred five million, two hundred thirty thousand, eight hundred sixty-five".