20236652 has 6 divisors (see below), whose sum is σ = 35414148. Its totient is φ = 10118324.

The previous prime is 20236651. The next prime is 20236661. The reversal of 20236652 is 25663202.

It is not an unprimeable number, because it can be changed into a prime (20236651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2529578 + ... + 2529585.

It is an arithmetic number, because the mean of its divisors is an integer number (5902358).

Almost surely, 2^20236652 is an apocalyptic number.

It is an amenable number.

20236652 is a deficient number, since it is larger than the sum of its proper divisors (15177496).

20236652 is a wasteful number, since it uses less digits than its factorization.

20236652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059167 (or 5059165 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 20236652 is about 4498.5166444062. The cubic root of 20236652 is about 272.5081870559.

Adding to 20236652 its reverse (25663202), we get a palindrome (45899854).

The spelling of 20236652 in words is "twenty million, two hundred thirty-six thousand, six hundred fifty-two".