20084976 has 80 divisors (see below), whose sum is σ = 60710400. Its totient is φ = 6340032.

The previous prime is 20084971. The next prime is 20084983. The reversal of 20084976 is 67948002.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20084976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084971) 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, 6985 + ... + 9431.

It is an arithmetic number, because the mean of its divisors is an integer number (758880).

Almost surely, 2^20084976 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 20084976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30355200).

20084976 is an abundant number, since it is smaller than the sum of its proper divisors (40625424).

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

20084976 is a wasteful number, since it uses less digits than its factorization.

20084976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 20084976 is about 4481.6264904608. The cubic root of 20084976 is about 271.8256523991.

The spelling of 20084976 in words is "twenty million, eighty-four thousand, nine hundred seventy-six".