20240104 has 8 divisors (see below), whose sum is σ = 37950210. Its totient is φ = 10120048.

The previous prime is 20240089. The next prime is 20240107. The reversal of 20240104 is 40104202.

It can be written as a sum of positive squares in only one way, i.e., 20232004 + 8100 = 4498^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20240107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264999 + ... + 1265014.

Almost surely, 2^20240104 is an apocalyptic number.

It is an amenable number.

20240104 is a deficient number, since it is larger than the sum of its proper divisors (17710106).

20240104 is a wasteful number, since it uses less digits than its factorization.

20240104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530019 (or 2530015 counting only the distinct ones).

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

The square root of 20240104 is about 4498.9003100758. The cubic root of 20240104 is about 272.5236811336.

Adding to 20240104 its reverse (40104202), we get a palindrome (60344306).

The spelling of 20240104 in words is "twenty million, two hundred forty thousand, one hundred four".