620357203 has 4 divisors (see below), whose sum is σ = 620740120. Its totient is φ = 619974288.

The previous prime is 620357197. The next prime is 620357249. The reversal of 620357203 is 302753026.

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

It is a cyclic number.

It is not a de Polignac number, because 620357203 - 2²¹ = 618260051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620357273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189018 + ... + 192271.

It is an arithmetic number, because the mean of its divisors is an integer number (155185030).

Almost surely, 2^620357203 is an apocalyptic number.

620357203 is a deficient number, since it is larger than the sum of its proper divisors (382917).

620357203 is a wasteful number, since it uses less digits than its factorization.

620357203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382916.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 620357203 is about 24906.9709719990. The cubic root of 620357203 is about 852.8656237048.

The spelling of 620357203 in words is "six hundred twenty million, three hundred fifty-seven thousand, two hundred three".