20267232 has 96 divisors (see below), whose sum is σ = 56754432. Its totient is φ = 6319104.

The previous prime is 20267227. The next prime is 20267239. The reversal of 20267232 is 23276202.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20267239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147868 + ... + 148004.

It is an arithmetic number, because the mean of its divisors is an integer number (591192).

Almost surely, 2^20267232 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 20267232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28377216).

20267232 is an abundant number, since it is smaller than the sum of its proper divisors (36487200).

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

20267232 is a wasteful number, since it uses less digits than its factorization.

20267232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20267232 is about 4501.9142595123. The cubic root of 20267232 is about 272.6453821206.

The spelling of 20267232 in words is "twenty million, two hundred sixty-seven thousand, two hundred thirty-two".