20223151 has 8 divisors (see below), whose sum is σ = 21863520. Its totient is φ = 18594912.

The previous prime is 20223139. The next prime is 20223167. The reversal of 20223151 is 15132202.

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 20223151 - 2⁷ = 20223023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223101) 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 7 ways as a sum of consecutive naturals, for example, 606 + ... + 6388.

It is an arithmetic number, because the mean of its divisors is an integer number (2732940).

Almost surely, 2^20223151 is an apocalyptic number.

20223151 is a deficient number, since it is larger than the sum of its proper divisors (1640369).

20223151 is a wasteful number, since it uses less digits than its factorization.

20223151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20223151 is about 4497.0157882756. The cubic root of 20223151 is about 272.4475717670.

Adding to 20223151 its reverse (15132202), we get a palindrome (35355353).

The spelling of 20223151 in words is "twenty million, two hundred twenty-three thousand, one hundred fifty-one".