20243901 has 8 divisors (see below), whose sum is σ = 27079360. Its totient is φ = 13452192.

The previous prime is 20243891. The next prime is 20243939. The reversal of 20243901 is 10934202.

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

It is not a de Polignac number, because 20243901 - 2¹⁴ = 20227517 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 (20243101) 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, 9841 + ... + 11718.

It is an arithmetic number, because the mean of its divisors is an integer number (3384920).

Almost surely, 2^20243901 is an apocalyptic number.

It is an amenable number.

20243901 is a deficient number, since it is larger than the sum of its proper divisors (6835459).

20243901 is a wasteful number, since it uses less digits than its factorization.

20243901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21875.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 20243901 is about 4499.3222822999. The cubic root of 20243901 is about 272.5407216870.

The spelling of 20243901 in words is "twenty million, two hundred forty-three thousand, nine hundred one".