20104070 has 32 divisors (see below), whose sum is σ = 43158528. Its totient is φ = 6592608.

The previous prime is 20104067. The next prime is 20104129. The reversal of 20104070 is 7040102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4634 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (1348704).

Almost surely, 2^20104070 is an apocalyptic number.

20104070 is an abundant number, since it is smaller than the sum of its proper divisors (23054458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20104070 is a wasteful number, since it uses less digits than its factorization.

20104070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12524.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 20104070 is about 4483.7562377988. The cubic root of 20104070 is about 271.9117631178.

Adding to 20104070 its reverse (7040102), we get a palindrome (27144172).

The spelling of 20104070 in words is "twenty million, one hundred four thousand, seventy".