120320203 has 16 divisors (see below), whose sum is σ = 129820320. Its totient is φ = 111110656.

The previous prime is 120320197. The next prime is 120320219. The reversal of 120320203 is 302023021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120320203 - 2⁹ = 120319691 is a prime.

It is a super-2 number, since 2×120320203² = 28953902499922418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120320003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379401 + ... + 379717.

It is an arithmetic number, because the mean of its divisors is an integer number (8113770).

Almost surely, 2^120320203 is an apocalyptic number.

120320203 is a deficient number, since it is larger than the sum of its proper divisors (9500117).

120320203 is a wasteful number, since it uses less digits than its factorization.

120320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 120320203 is about 10969.0566139482. The cubic root of 120320203 is about 493.6807410625.

Adding to 120320203 its reverse (302023021), we get a palindrome (422343224).

The spelling of 120320203 in words is "one hundred twenty million, three hundred twenty thousand, two hundred three".