20113036 has 6 divisors (see below), whose sum is σ = 35197820. Its totient is φ = 10056516.

The previous prime is 20113031. The next prime is 20113043. The reversal of 20113036 is 63031102.

It is not an unprimeable number, because it can be changed into a prime (20113031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2514126 + ... + 2514133.

Almost surely, 2^20113036 is an apocalyptic number.

It is an amenable number.

20113036 is a deficient number, since it is larger than the sum of its proper divisors (15084784).

20113036 is a wasteful number, since it uses less digits than its factorization.

20113036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028263 (or 5028261 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 20113036 is about 4484.7559576860. The cubic root of 20113036 is about 271.9521794536.

Adding to 20113036 its reverse (63031102), we get a palindrome (83144138).

The spelling of 20113036 in words is "twenty million, one hundred thirteen thousand, thirty-six".