620506426230066 has 64 divisors (see below), whose sum is σ = 1255655954488320. Its totient is φ = 204409344882240.

The previous prime is 620506426230043. The next prime is 620506426230083. The reversal of 620506426230066 is 660032624605026.

It is a super-2 number, since 2×620506426230066² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620506426229997 and 620506426230024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5017740276 + ... + 5017863936.

It is an arithmetic number, because the mean of its divisors is an integer number (19619624288880).

Almost surely, 2^{620506426230066} is an apocalyptic number.

620506426230066 is an abundant number, since it is smaller than the sum of its proper divisors (635149528258254).

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

620506426230066 is a wasteful number, since it uses less digits than its factorization.

620506426230066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152671.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 620506426230066 in words is "six hundred twenty trillion, five hundred six billion, four hundred twenty-six million, two hundred thirty thousand, sixty-six".