20103662 has 8 divisors (see below), whose sum is σ = 30253392. Its totient is φ = 10019200.

The previous prime is 20103659. The next prime is 20103667. The reversal of 20103662 is 26630102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103667) 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 in 3 ways as a sum of consecutive naturals, for example, 15539 + ... + 16782.

It is an arithmetic number, because the mean of its divisors is an integer number (3781674).

Almost surely, 2^20103662 is an apocalyptic number.

20103662 is a deficient number, since it is larger than the sum of its proper divisors (10149730).

20103662 is a wasteful number, since it uses less digits than its factorization.

20103662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32634.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20103662 is about 4483.7107400010. The cubic root of 20103662 is about 271.9099236768.

Adding to 20103662 its reverse (26630102), we get a palindrome (46733764).

The spelling of 20103662 in words is "twenty million, one hundred three thousand, six hundred sixty-two".