620631203 has 4 divisors (see below), whose sum is σ = 620713248. Its totient is φ = 620549160.

The previous prime is 620631173. The next prime is 620631211. The reversal of 620631203 is 302136026.

620631203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302136026 = 2 ⋅151068013.

It is a cyclic number.

It is not a de Polignac number, because 620631203 - 2⁸ = 620630947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620639203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28376 + ... + 45237.

It is an arithmetic number, because the mean of its divisors is an integer number (155178312).

Almost surely, 2^620631203 is an apocalyptic number.

620631203 is a deficient number, since it is larger than the sum of its proper divisors (82045).

620631203 is an equidigital number, since it uses as much as digits as its factorization.

620631203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82044.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 620631203 is about 24912.4708328981. The cubic root of 620631203 is about 852.9911700746.

Adding to 620631203 its reverse (302136026), we get a palindrome (922767229).

The spelling of 620631203 in words is "six hundred twenty million, six hundred thirty-one thousand, two hundred three".