20040361 has 8 divisors (see below), whose sum is σ = 21998304. Its totient is φ = 18105120.

The previous prime is 20040359. The next prime is 20040373. The reversal of 20040361 is 16304002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20040361 - 2¹ = 20040359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20040301) 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, 3796 + ... + 7381.

It is an arithmetic number, because the mean of its divisors is an integer number (2749788).

Almost surely, 2^20040361 is an apocalyptic number.

It is an amenable number.

20040361 is a deficient number, since it is larger than the sum of its proper divisors (1957943).

20040361 is a wasteful number, since it uses less digits than its factorization.

20040361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20040361 is about 4476.6461776647. The cubic root of 20040361 is about 271.6242333179.

Adding to 20040361 its reverse (16304002), we get a palindrome (36344363).

The spelling of 20040361 in words is "twenty million, forty thousand, three hundred sixty-one".