20011334 has 32 divisors (see below), whose sum is σ = 37048320. Its totient is φ = 7916832.

The previous prime is 20011319. The next prime is 20011349. The reversal of 20011334 is 43311002.

It is an interprime number because it is at equal distance from previous prime (20011319) and next prime (20011349).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8267 + ... + 10409.

It is an arithmetic number, because the mean of its divisors is an integer number (1157760).

Almost surely, 2^20011334 is an apocalyptic number.

20011334 is a deficient number, since it is larger than the sum of its proper divisors (17036986).

20011334 is a wasteful number, since it uses less digits than its factorization.

20011334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20011334 is about 4473.4029552456. The cubic root of 20011334 is about 271.4930273254.

Adding to 20011334 its reverse (43311002), we get a palindrome (63322336).

The spelling of 20011334 in words is "twenty million, eleven thousand, three hundred thirty-four".