20104662 has 8 divisors (see below), whose sum is σ = 40209336. Its totient is φ = 6701552.

The previous prime is 20104657. The next prime is 20104697. The reversal of 20104662 is 26640102.

It is a happy number.

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

20104662 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1675383 + ... + 1675394.

It is an arithmetic number, because the mean of its divisors is an integer number (5026167).

Almost surely, 2^20104662 is an apocalyptic number.

20104662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20104662 is a wasteful number, since it uses less digits than its factorization.

20104662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350782.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20104662 is about 4483.8222533905. The cubic root of 20104662 is about 271.9144320663.

Adding to 20104662 its reverse (26640102), we get a palindrome (46744764).

The spelling of 20104662 in words is "twenty million, one hundred four thousand, six hundred sixty-two".