20893195 has 16 divisors (see below), whose sum is σ = 26244000. Its totient is φ = 15947008.

The previous prime is 20893181. The next prime is 20893199. The reversal of 20893195 is 59139802.

It is a cyclic number.

It is not a de Polignac number, because 20893195 - 2¹³ = 20885003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20893199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12096 + ... + 13714.

It is an arithmetic number, because the mean of its divisors is an integer number (1640250).

Almost surely, 2^20893195 is an apocalyptic number.

20893195 is a deficient number, since it is larger than the sum of its proper divisors (5350805).

20893195 is a wasteful number, since it uses less digits than its factorization.

20893195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 20893195 is about 4570.9074591376. The cubic root of 20893195 is about 275.4238972145.

The spelling of 20893195 in words is "twenty million, eight hundred ninety-three thousand, one hundred ninety-five".