20045324 has 24 divisors (see below), whose sum is σ = 37911888. Its totient is φ = 9218880.

The previous prime is 20045321. The next prime is 20045327. The reversal of 20045324 is 42354002.

It is an interprime number because it is at equal distance from previous prime (20045321) and next prime (20045327).

It is a junction number, because it is equal to n+sod(n) for n = 20045296 and 20045305.

It is not an unprimeable number, because it can be changed into a prime (20045321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20159 + ... + 21129.

It is an arithmetic number, because the mean of its divisors is an integer number (1579662).

Almost surely, 2^20045324 is an apocalyptic number.

It is an amenable number.

20045324 is a deficient number, since it is larger than the sum of its proper divisors (17866564).

20045324 is a wasteful number, since it uses less digits than its factorization.

20045324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20045324 is about 4477.2004645761. The cubic root of 20045324 is about 271.6466540684.

Adding to 20045324 its reverse (42354002), we get a palindrome (62399326).

The spelling of 20045324 in words is "twenty million, forty-five thousand, three hundred twenty-four".