20476000 has 48 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 8188800.

The previous prime is 20475971. The next prime is 20476019. The reversal of 20476000 is 67402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441 + ... + 6559.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^20476000 is an apocalyptic number.

20476000 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 20476000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25159680).

20476000 is an abundant number, since it is smaller than the sum of its proper divisors (29843360).

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

20476000 is an equidigital number, since it uses as much as digits as its factorization.

20476000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144 (or 5126 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20476000 is about 4525.0414362744. The cubic root of 20476000 is about 273.5783380590.

The spelling of 20476000 in words is "twenty million, four hundred seventy-six thousand".