20041402 has 8 divisors (see below), whose sum is σ = 31830516. Its totient is φ = 9431232.

The previous prime is 20041391. The next prime is 20041403. The reversal of 20041402 is 20414002.

It can be written as a sum of positive squares in 2 ways, for example, as 19193161 + 848241 = 4381^2 + 921^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20041403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294693 + ... + 294760.

Almost surely, 2^20041402 is an apocalyptic number.

20041402 is a deficient number, since it is larger than the sum of its proper divisors (11789114).

20041402 is a wasteful number, since it uses less digits than its factorization.

20041402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589472.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20041402 is about 4476.7624462328. The cubic root of 20041402 is about 271.6289364256.

Adding to 20041402 its reverse (20414002), we get a palindrome (40455404).

The spelling of 20041402 in words is "twenty million, forty-one thousand, four hundred two".