20365952 has 32 divisors (see below), whose sum is σ = 40979520. Its totient is φ = 10081024.

The previous prime is 20365901. The next prime is 20365957. The reversal of 20365952 is 25956302.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (20365957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12953 + ... + 14439.

It is an arithmetic number, because the mean of its divisors is an integer number (1280610).

Almost surely, 2^20365952 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 20365952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20489760).

20365952 is an abundant number, since it is smaller than the sum of its proper divisors (20613568).

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

20365952 is a wasteful number, since it uses less digits than its factorization.

20365952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 20365952 is about 4512.8651652803. The cubic root of 20365952 is about 273.0873429643.

The spelling of 20365952 in words is "twenty million, three hundred sixty-five thousand, nine hundred fifty-two".