20514233 has 8 divisors (see below), whose sum is σ = 21141000. Its totient is φ = 19896448.

The previous prime is 20514191. The next prime is 20514251. The reversal of 20514233 is 33241502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11449 + 20502784 = 107^2 + 4528^2 .

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 20514233 - 2¹² = 20510137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20514253) 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, 2543 + ... + 6891.

It is an arithmetic number, because the mean of its divisors is an integer number (2642625).

Almost surely, 2^20514233 is an apocalyptic number.

It is an amenable number.

20514233 is a deficient number, since it is larger than the sum of its proper divisors (626767).

20514233 is an equidigital number, since it uses as much as digits as its factorization.

20514233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20514233 is about 4529.2640682566. The cubic root of 20514233 is about 273.7485082938.

Adding to 20514233 its reverse (33241502), we get a palindrome (53755735).

The spelling of 20514233 in words is "twenty million, five hundred fourteen thousand, two hundred thirty-three".