320320020203 has 8 divisors (see below), whose sum is σ = 323161377840. Its totient is φ = 317486332800.

The previous prime is 320320020143. The next prime is 320320020211. The reversal of 320320020203 is 302020023023.

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 320320020203 - 2¹⁶ = 320319954667 is a prime.

It is a super-2 number, since 2×320320020203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320320020263) 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, 1833650 + ... + 2000727.

It is an arithmetic number, because the mean of its divisors is an integer number (40395172230).

Almost surely, 2^320320020203 is an apocalyptic number.

320320020203 is a deficient number, since it is larger than the sum of its proper divisors (2841357637).

320320020203 is a wasteful number, since it uses less digits than its factorization.

320320020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835117.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 320320020203 its reverse (302020023023), we get a palindrome (622340043226).

The spelling of 320320020203 in words is "three hundred twenty billion, three hundred twenty million, twenty thousand, two hundred three".