20101304 has 16 divisors (see below), whose sum is σ = 37859400. Its totient is φ = 10005472.

The previous prime is 20101283. The next prime is 20101309. The reversal of 20101304 is 40310102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3719 + ... + 7350.

Almost surely, 2^20101304 is an apocalyptic number.

It is an amenable number.

20101304 is a deficient number, since it is larger than the sum of its proper divisors (17758096).

20101304 is a wasteful number, since it uses less digits than its factorization.

20101304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11302 (or 11298 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20101304 is about 4483.4477804475. The cubic root of 20101304 is about 271.8992923025.

Adding to 20101304 its reverse (40310102), we get a palindrome (60411406).

The spelling of 20101304 in words is "twenty million, one hundred one thousand, three hundred four".