620340758047082 has 4 divisors (see below), whose sum is σ = 930511137070626. Its totient is φ = 310170379023540.

The previous prime is 620340758047061. The next prime is 620340758047123. The reversal of 620340758047082 is 280740857043026.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 611532392930761 + 8808365116321 = 24729181^2 + 2967889^2 .

It is a super-2 number, since 2×620340758047082² (a number of 30 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 155085189511769 + ... + 155085189511772.

Almost surely, 2^{620340758047082} is an apocalyptic number.

620340758047082 is a deficient number, since it is larger than the sum of its proper divisors (310170379023544).

620340758047082 is a wasteful number, since it uses less digits than its factorization.

620340758047082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310170379023543.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 620340758047082 in words is "six hundred twenty trillion, three hundred forty billion, seven hundred fifty-eight million, forty-seven thousand, eighty-two".