20216373 has 12 divisors (see below), whose sum is σ = 27484800. Its totient is φ = 13217776.

The previous prime is 20216369. The next prime is 20216387. The reversal of 20216373 is 37361202.

It is not a de Polignac number, because 20216373 - 2² = 20216369 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20216303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7228 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (2290400).

Almost surely, 2^20216373 is an apocalyptic number.

It is an amenable number.

20216373 is a deficient number, since it is larger than the sum of its proper divisors (7268427).

20216373 is an equidigital number, since it uses as much as digits as its factorization.

20216373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 20216373 is about 4496.2621142456. The cubic root of 20216373 is about 272.4171304840.

Adding to 20216373 its reverse (37361202), we get a palindrome (57577575).

The spelling of 20216373 in words is "twenty million, two hundred sixteen thousand, three hundred seventy-three".