20152233 has 24 divisors (see below), whose sum is σ = 30471168. Its totient is φ = 13308624.

The previous prime is 20152213. The next prime is 20152261. The reversal of 20152233 is 33225102.

It is not a de Polignac number, because 20152233 - 2⁶ = 20152169 is a prime.

It is a super-2 number, since 2×20152233² = 812224989772578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20152213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30535 + ... + 31187.

It is an arithmetic number, because the mean of its divisors is an integer number (1269632).

Almost surely, 2^20152233 is an apocalyptic number.

It is an amenable number.

20152233 is a deficient number, since it is larger than the sum of its proper divisors (10318935).

20152233 is an equidigital number, since it uses as much as digits as its factorization.

20152233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20152233 is about 4489.1238566117. The cubic root of 20152233 is about 272.1287281754.

Adding to 20152233 its reverse (33225102), we get a palindrome (53377335).

The spelling of 20152233 in words is "twenty million, one hundred fifty-two thousand, two hundred thirty-three".