20103016 has 16 divisors (see below), whose sum is σ = 38570400. Its totient is φ = 9817584.

The previous prime is 20102983. The next prime is 20103047. The reversal of 20103016 is 61030102.

It is a junction number, because it is equal to n+sod(n) for n = 20102987 and 20103005.

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, 28876 + ... + 29563.

It is an arithmetic number, because the mean of its divisors is an integer number (2410650).

Almost surely, 2^20103016 is an apocalyptic number.

It is an amenable number.

20103016 is a deficient number, since it is larger than the sum of its proper divisors (18467384).

20103016 is a wasteful number, since it uses less digits than its factorization.

20103016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58488 (or 58484 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 20103016 is about 4483.6387008768. The cubic root of 20103016 is about 271.9070111777.

Adding to 20103016 its reverse (61030102), we get a palindrome (81133118).

The spelling of 20103016 in words is "twenty million, one hundred three thousand, sixteen".