20324976 has 80 divisors (see below), whose sum is σ = 60496128. Its totient is φ = 5760000.

The previous prime is 20324929. The next prime is 20324987. The reversal of 20324976 is 67942302.

20324976 is nontrivially palindromic in base 11.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

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, 80851 + ... + 81101.

Almost surely, 2^20324976 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 20324976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30248064).

20324976 is an abundant number, since it is smaller than the sum of its proper divisors (40171152).

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

20324976 is a wasteful number, since it uses less digits than its factorization.

20324976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 20324976 is about 4508.3229697971. The cubic root of 20324976 is about 272.9040707380.

The spelling of 20324976 in words is "twenty million, three hundred twenty-four thousand, nine hundred seventy-six".