20210203323 has 56 divisors (see below), whose sum is σ = 31184863920. Its totient is φ = 13085841600.

The previous prime is 20210203319. The next prime is 20210203331. The reversal of 20210203323 is 32330201202.

It is a happy number.

It is not a de Polignac number, because 20210203323 - 2² = 20210203319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20210203296 and 20210203305.

It is not an unprimeable number, because it can be changed into a prime (20210203303) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3899748 + ... + 3904926.

It is an arithmetic number, because the mean of its divisors is an integer number (556872570).

Almost surely, 2^20210203323 is an apocalyptic number.

20210203323 is a deficient number, since it is larger than the sum of its proper divisors (10974660597).

20210203323 is an equidigital number, since it uses as much as digits as its factorization.

20210203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351 (or 5336 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20210203323 its reverse (32330201202), we get a palindrome (52540404525).

The spelling of 20210203323 in words is "twenty billion, two hundred ten million, two hundred three thousand, three hundred twenty-three".