20334011 has 4 divisors (see below), whose sum is σ = 20514072. Its totient is φ = 20153952.

The previous prime is 20334007. The next prime is 20334049. The reversal of 20334011 is 11043302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20334011 - 2² = 20334007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20334071) 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, 89861 + ... + 90086.

It is an arithmetic number, because the mean of its divisors is an integer number (5128518).

Almost surely, 2^20334011 is an apocalyptic number.

20334011 is a deficient number, since it is larger than the sum of its proper divisors (180061).

20334011 is a wasteful number, since it uses less digits than its factorization.

20334011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180060.

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

The square root of 20334011 is about 4509.3248940390. The cubic root of 20334011 is about 272.9445024875.

Adding to 20334011 its reverse (11043302), we get a palindrome (31377313).

The spelling of 20334011 in words is "twenty million, three hundred thirty-four thousand, eleven".