20272795 has 4 divisors (see below), whose sum is σ = 24327360. Its totient is φ = 16218232.

The previous prime is 20272787. The next prime is 20272831. The reversal of 20272795 is 59727202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59727202 = 2 ⋅29863601.

It is a cyclic number.

It is not a de Polignac number, because 20272795 - 2³ = 20272787 is a prime.

It is a super-2 number, since 2×20272795² = 821972434224050, which contains 22 as substring.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 20272795.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027275 + ... + 2027284.

It is an arithmetic number, because the mean of its divisors is an integer number (6081840).

Almost surely, 2^20272795 is an apocalyptic number.

20272795 is a deficient number, since it is larger than the sum of its proper divisors (4054565).

20272795 is an equidigital number, since it uses as much as digits as its factorization.

20272795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054564.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 20272795 is about 4502.5320654050. The cubic root of 20272795 is about 272.6703252983.

Adding to 20272795 its reverse (59727202), we get a palindrome (79999997).

The spelling of 20272795 in words is "twenty million, two hundred seventy-two thousand, seven hundred ninety-five".