620436313042 has 32 divisors (see below), whose sum is σ = 1145574484992. Its totient is φ = 245414418624.

The previous prime is 620436312997. The next prime is 620436313097. The reversal of 620436313042 is 240313634026.

It is a junction number, because it is equal to n+sod(n) for n = 620436312989 and 620436313007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155328 + ... + 1604884.

It is an arithmetic number, because the mean of its divisors is an integer number (35799202656).

Almost surely, 2^620436313042 is an apocalyptic number.

620436313042 is a deficient number, since it is larger than the sum of its proper divisors (525138171950).

620436313042 is a wasteful number, since it uses less digits than its factorization.

620436313042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457162.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 620436313042 its reverse (240313634026), we get a palindrome (860749947068).

The spelling of 620436313042 in words is "six hundred twenty billion, four hundred thirty-six million, three hundred thirteen thousand, forty-two".