20236151 has 8 divisors (see below), whose sum is σ = 22382304. Its totient is φ = 18174240.

The previous prime is 20236141. The next prime is 20236157. The reversal of 20236151 is 15163202.

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 20236151 - 2¹⁴ = 20219767 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 (20236157) 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, 20555 + ... + 21516.

It is an arithmetic number, because the mean of its divisors is an integer number (2797788).

Almost surely, 2^20236151 is an apocalyptic number.

20236151 is a deficient number, since it is larger than the sum of its proper divisors (2146153).

20236151 is a wasteful number, since it uses less digits than its factorization.

20236151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42121.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 20236151 is about 4498.4609590392. The cubic root of 20236151 is about 272.5059382035.

Adding to 20236151 its reverse (15163202), we get a palindrome (35399353).

The spelling of 20236151 in words is "twenty million, two hundred thirty-six thousand, one hundred fifty-one".