20040874 has 8 divisors (see below), whose sum is σ = 34355808. Its totient is φ = 8588940.

The previous prime is 20040851. The next prime is 20040887. The reversal of 20040874 is 47804002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715732 + ... + 715759.

It is an arithmetic number, because the mean of its divisors is an integer number (4294476).

Almost surely, 2^20040874 is an apocalyptic number.

20040874 is a deficient number, since it is larger than the sum of its proper divisors (14314934).

20040874 is a wasteful number, since it uses less digits than its factorization.

20040874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431500.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 20040874 is about 4476.7034746563. The cubic root of 20040874 is about 271.6265510080.

Adding to 20040874 its reverse (47804002), we get a palindrome (67844876).

The spelling of 20040874 in words is "twenty million, forty thousand, eight hundred seventy-four".