20395077 has 4 divisors (see below), whose sum is σ = 27193440. Its totient is φ = 13596716.

The previous prime is 20395027. The next prime is 20395079. The reversal of 20395077 is 77059302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20395077 - 2⁶ = 20395013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20395079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3399177 + ... + 3399182.

It is an arithmetic number, because the mean of its divisors is an integer number (6798360).

Almost surely, 2^20395077 is an apocalyptic number.

It is an amenable number.

20395077 is a deficient number, since it is larger than the sum of its proper divisors (6798363).

20395077 is an equidigital number, since it uses as much as digits as its factorization.

20395077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798362.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 20395077 is about 4516.0908981109. The cubic root of 20395077 is about 273.2174601390.

The spelling of 20395077 in words is "twenty million, three hundred ninety-five thousand, seventy-seven".