620003738824 has 8 divisors (see below), whose sum is σ = 1162507010310. Its totient is φ = 310001869408.

The previous prime is 620003738821. The next prime is 620003738881. The reversal of 620003738824 is 428837300026.

It can be written as a sum of positive squares in only one way, i.e., 562677013924 + 57326724900 = 750118^2 + 239430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (620003738821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38750233669 + ... + 38750233684.

Almost surely, 2^620003738824 is an apocalyptic number.

It is an amenable number.

620003738824 is a deficient number, since it is larger than the sum of its proper divisors (542503271486).

620003738824 is a wasteful number, since it uses less digits than its factorization.

620003738824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77500467359 (or 77500467355 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 620003738824 in words is "six hundred twenty billion, three million, seven hundred thirty-eight thousand, eight hundred twenty-four".