20212960 has 96 divisors (see below), whose sum is σ = 51559200. Its totient is φ = 7464960.

The previous prime is 20212937. The next prime is 20212991. The reversal of 20212960 is 6921202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 185386 + ... + 185494.

It is an arithmetic number, because the mean of its divisors is an integer number (537075).

Almost surely, 2^20212960 is an apocalyptic number.

20212960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25779600).

20212960 is an abundant number, since it is smaller than the sum of its proper divisors (31346240).

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

20212960 is a wasteful number, since it uses less digits than its factorization.

20212960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 20212960 is about 4495.8825607438. The cubic root of 20212960 is about 272.4017994782.

The spelling of 20212960 in words is "twenty million, two hundred twelve thousand, nine hundred sixty".