20650952 has 48 divisors (see below), whose sum is σ = 45486000. Its totient is φ = 8763552.

The previous prime is 20650951. The next prime is 20650979. The reversal of 20650952 is 25905602.

It is not an unprimeable number, because it can be changed into a prime (20650951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54299 + ... + 54677.

It is an arithmetic number, because the mean of its divisors is an integer number (947625).

Almost surely, 2^20650952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20650952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22743000).

20650952 is an abundant number, since it is smaller than the sum of its proper divisors (24835048).

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

20650952 is a wasteful number, since it uses less digits than its factorization.

20650952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 20650952 is about 4544.3318540793. The cubic root of 20650952 is about 274.3553030071.

The spelling of 20650952 in words is "twenty million, six hundred fifty thousand, nine hundred fifty-two".