20001324 has 48 divisors (see below), whose sum is σ = 55064576. Its totient is φ = 5529600.

The previous prime is 20001307. The next prime is 20001341. The reversal of 20001324 is 42310002.

It is an interprime number because it is at equal distance from previous prime (20001307) and next prime (20001341).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1237 + ... + 6444.

Almost surely, 2^20001324 is an apocalyptic number.

It is an amenable number.

20001324 is an abundant number, since it is smaller than the sum of its proper divisors (35063252).

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

20001324 is a wasteful number, since it uses less digits than its factorization.

20001324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726 (or 7724 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20001324 is about 4472.2839802499. The cubic root of 20001324 is about 271.4477513422.

Adding to 20001324 its reverse (42310002), we get a palindrome (62311326).

The spelling of 20001324 in words is "twenty million, one thousand, three hundred twenty-four".