20150233 has 2 divisors, whose sum is σ = 20150234. Its totient is φ = 20150232.

The previous prime is 20150227. The next prime is 20150257. The reversal of 20150233 is 33205102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17707264 + 2442969 = 4208^2 + 1563^2 .

It is a cyclic number.

It is not a de Polignac number, because 20150233 - 2¹⁷ = 20019161 is a prime.

It is not a weakly prime, because it can be changed into another prime (20150033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10075116 + 10075117.

It is an arithmetic number, because the mean of its divisors is an integer number (10075117).

Almost surely, 2^20150233 is an apocalyptic number.

It is an amenable number.

20150233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20150233 is an equidigital number, since it uses as much as digits as its factorization.

20150233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20150233 is about 4488.9010904675. The cubic root of 20150233 is about 272.1197254433.

Adding to 20150233 its reverse (33205102), we get a palindrome (53355335).

The spelling of 20150233 in words is "twenty million, one hundred fifty thousand, two hundred thirty-three".