20476960 has 96 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 6853632.

The previous prime is 20476933. The next prime is 20477053. The reversal of 20476960 is 6967402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52446 + ... + 52834.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^20476960 is an apocalyptic number.

20476960 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 20476960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640).

20476960 is an abundant number, since it is smaller than the sum of its proper divisors (36132320).

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

20476960 is a wasteful number, since it uses less digits than its factorization.

20476960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20476960 is about 4525.1475114078. The cubic root of 20476960 is about 273.5826134888.

The spelling of 20476960 in words is "twenty million, four hundred seventy-six thousand, nine hundred sixty".