20200271 has 16 divisors (see below), whose sum is σ = 25396224. Its totient is φ = 15639264.

The previous prime is 20200259. The next prime is 20200289. The reversal of 20200271 is 17200202.

It is a cyclic number.

It is not a de Polignac number, because 20200271 - 2²² = 16005967 is a prime.

20200271 is a modest number, since divided by 271 gives 202 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200171) 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, 1916 + ... + 6638.

It is an arithmetic number, because the mean of its divisors is an integer number (1587264).

Almost surely, 2^20200271 is an apocalyptic number.

20200271 is a deficient number, since it is larger than the sum of its proper divisors (5195953).

20200271 is a wasteful number, since it uses less digits than its factorization.

20200271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 20200271 is about 4494.4711591020. The cubic root of 20200271 is about 272.3447860575.

Adding to 20200271 its reverse (17200202), we get a palindrome (37400473).

The spelling of 20200271 in words is "twenty million, two hundred thousand, two hundred seventy-one".