20946324 has 60 divisors (see below), whose sum is σ = 57095584. Its totient is φ = 5976432.

The previous prime is 20946319. The next prime is 20946347. The reversal of 20946324 is 42364902.

It is a super-2 number, since 2×20946324² = 877496978225952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20946291 and 20946300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28449 + ... + 29175.

Almost surely, 2^20946324 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 20946324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28547792).

20946324 is an abundant number, since it is smaller than the sum of its proper divisors (36149260).

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

20946324 is an equidigital number, since it uses as much as digits as its factorization.

20946324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 20946324 is about 4576.7154161036. The cubic root of 20946324 is about 275.6571567420.

The spelling of 20946324 in words is "twenty million, nine hundred forty-six thousand, three hundred twenty-four".