20650152 has 16 divisors (see below), whose sum is σ = 51625440. Its totient is φ = 6883376.

The previous prime is 20650141. The next prime is 20650153. The reversal of 20650152 is 25105602.

It is not an unprimeable number, because it can be changed into a prime (20650153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430188 + ... + 430235.

It is an arithmetic number, because the mean of its divisors is an integer number (3226590).

Almost surely, 2^20650152 is an apocalyptic number.

It is an amenable number.

20650152 is an abundant number, since it is smaller than the sum of its proper divisors (30975288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20650152 is a wasteful number, since it uses less digits than its factorization.

20650152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860432 (or 860428 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 20650152 is about 4544.2438314862. The cubic root of 20650152 is about 274.3517601990.

Adding to 20650152 its reverse (25105602), we get a palindrome (45755754).

It can be divided in two parts, 20650 and 152, that added together give a palindrome (20802).

The spelling of 20650152 in words is "twenty million, six hundred fifty thousand, one hundred fifty-two".