20340901 has 8 divisors (see below), whose sum is σ = 24257664. Its totient is φ = 16676880.

The previous prime is 20340871. The next prime is 20340907. The reversal of 20340901 is 10904302.

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

It is a cyclic number.

It is not a de Polignac number, because 20340901 - 2⁵ = 20340869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340907) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 63010 + ... + 63331.

It is an arithmetic number, because the mean of its divisors is an integer number (3032208).

Almost surely, 2^20340901 is an apocalyptic number.

It is an amenable number.

20340901 is a deficient number, since it is larger than the sum of its proper divisors (3916763).

20340901 is a wasteful number, since it uses less digits than its factorization.

20340901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126371.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20340901 is about 4510.0888017865. The cubic root of 20340901 is about 272.9753272840.

The spelling of 20340901 in words is "twenty million, three hundred forty thousand, nine hundred one".