20103256 has 16 divisors (see below), whose sum is σ = 37853640. Its totient is φ = 10008960.

The previous prime is 20103241. The next prime is 20103269. The reversal of 20103256 is 65230102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3286 + ... + 7141.

Almost surely, 2^20103256 is an apocalyptic number.

It is an amenable number.

20103256 is a deficient number, since it is larger than the sum of its proper divisors (17750384).

20103256 is a wasteful number, since it uses less digits than its factorization.

20103256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10674 (or 10670 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20103256 is about 4483.6654647732. The cubic root of 20103256 is about 271.9080932280.

Adding to 20103256 its reverse (65230102), we get a palindrome (85333358).

The spelling of 20103256 in words is "twenty million, one hundred three thousand, two hundred fifty-six".