820820300503 has 8 divisors (see below), whose sum is σ = 939646425600. Its totient is φ = 702385695960.

The previous prime is 820820300501. The next prime is 820820300507. The reversal of 820820300503 is 305003028028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 820820300503 - 2¹ = 820820300501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820820300501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97875643 + ... + 97884028.

It is an arithmetic number, because the mean of its divisors is an integer number (117455803200).

Almost surely, 2^820820300503 is an apocalyptic number.

820820300503 is a deficient number, since it is larger than the sum of its proper divisors (118826125097).

820820300503 is a wasteful number, since it uses less digits than its factorization.

820820300503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195760277.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 820820300503 in words is "eight hundred twenty billion, eight hundred twenty million, three hundred thousand, five hundred three".