213020203 has 8 divisors (see below), whose sum is σ = 233686080. Its totient is φ = 192571080.

The previous prime is 213020161. The next prime is 213020231. The reversal of 213020203 is 302020312.

It is a happy number.

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 213020203 - 2⁹ = 213019691 is a prime.

It is a super-2 number, since 2×213020203² = 90755213772322418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213020233) 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, 52125 + ... + 56062.

It is an arithmetic number, because the mean of its divisors is an integer number (29210760).

Almost surely, 2^213020203 is an apocalyptic number.

213020203 is a deficient number, since it is larger than the sum of its proper divisors (20665877).

213020203 is a wasteful number, since it uses less digits than its factorization.

213020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108377.

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

The square root of 213020203 is about 14595.2116462900. The cubic root of 213020203 is about 597.2281431051.

Adding to 213020203 its reverse (302020312), we get a palindrome (515040515).

The spelling of 213020203 in words is "two hundred thirteen million, twenty thousand, two hundred three".