20113335 has 48 divisors (see below), whose sum is σ = 38413440. Its totient is φ = 9654720.

The previous prime is 20113319. The next prime is 20113337. The reversal of 20113335 is 53331102.

It is not a de Polignac number, because 20113335 - 2⁴ = 20113319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88492 + ... + 88718.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^20113335 is an apocalyptic number.

20113335 is a deficient number, since it is larger than the sum of its proper divisors (18300105).

20113335 is a wasteful number, since it uses less digits than its factorization.

20113335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 20113335 is about 4484.7892927093. The cubic root of 20113335 is about 271.9535270588.

Adding to 20113335 its reverse (53331102), we get a palindrome (73444437).

The spelling of 20113335 in words is "twenty million, one hundred thirteen thousand, three hundred thirty-five".