20228373 has 40 divisors (see below), whose sum is σ = 33523776. Its totient is φ = 12052800.

The previous prime is 20228363. The next prime is 20228423. The reversal of 20228373 is 37382202.

It is not a de Polignac number, because 20228373 - 2⁴ = 20228357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20228303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64888 + ... + 65198.

Almost surely, 2^20228373 is an apocalyptic number.

It is an amenable number.

20228373 is a deficient number, since it is larger than the sum of its proper divisors (13295403).

20228373 is a wasteful number, since it uses less digits than its factorization.

20228373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 20228373 is about 4497.5963580562. The cubic root of 20228373 is about 272.4710201205.

The spelling of 20228373 in words is "twenty million, two hundred twenty-eight thousand, three hundred seventy-three".