20118935 has 8 divisors (see below), whose sum is σ = 24795456. Its totient is φ = 15660000.

The previous prime is 20118913. The next prime is 20118937. The reversal of 20118935 is 53981102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20118935 - 2¹² = 20114839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20118898 and 20118907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20118937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54191 + ... + 54560.

It is an arithmetic number, because the mean of its divisors is an integer number (3099432).

Almost surely, 2^20118935 is an apocalyptic number.

20118935 is a deficient number, since it is larger than the sum of its proper divisors (4676521).

20118935 is a wasteful number, since it uses less digits than its factorization.

20118935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108793.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 20118935 is about 4485.4135818228. The cubic root of 20118935 is about 271.9787640211.

The spelling of 20118935 in words is "twenty million, one hundred eighteen thousand, nine hundred thirty-five".