20214395 has 8 divisors (see below), whose sum is σ = 24913104. Its totient is φ = 15734304.

The previous prime is 20214391. The next prime is 20214409. The reversal of 20214395 is 59341202.

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 20214395 - 2² = 20214391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214391) 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, 54449 + ... + 54818.

It is an arithmetic number, because the mean of its divisors is an integer number (3114138).

Almost surely, 2^20214395 is an apocalyptic number.

20214395 is a deficient number, since it is larger than the sum of its proper divisors (4698709).

20214395 is a wasteful number, since it uses less digits than its factorization.

20214395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109309.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20214395 is about 4496.0421483789. The cubic root of 20214395 is about 272.4082456285.

Adding to 20214395 its reverse (59341202), we get a palindrome (79555597).

The spelling of 20214395 in words is "twenty million, two hundred fourteen thousand, three hundred ninety-five".