20027377 has 8 divisors (see below), whose sum is σ = 21287016. Its totient is φ = 18776832.

The previous prime is 20027363. The next prime is 20027383. The reversal of 20027377 is 77372002.

It can be written as a sum of positive squares in 4 ways, for example, as 349281 + 19678096 = 591^2 + 4436^2 .

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 20027377 - 2¹¹ = 20025329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20027317) 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, 2583 + ... + 6835.

It is an arithmetic number, because the mean of its divisors is an integer number (2660877).

Almost surely, 2^20027377 is an apocalyptic number.

It is an amenable number.

20027377 is a deficient number, since it is larger than the sum of its proper divisors (1259639).

20027377 is a wasteful number, since it uses less digits than its factorization.

20027377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 20027377 is about 4475.1957499086. The cubic root of 20027377 is about 271.5655595416.

Adding to 20027377 its reverse (77372002), we get a palindrome (97399379).

The spelling of 20027377 in words is "twenty million, twenty-seven thousand, three hundred seventy-seven".