20270366 has 8 divisors (see below), whose sum is σ = 30436560. Its totient is φ = 10124848.

The previous prime is 20270357. The next prime is 20270389. The reversal of 20270366 is 66307202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426 + ... + 6813.

It is an arithmetic number, because the mean of its divisors is an integer number (3804570).

Almost surely, 2^20270366 is an apocalyptic number.

20270366 is a deficient number, since it is larger than the sum of its proper divisors (10166194).

20270366 is a wasteful number, since it uses less digits than its factorization.

20270366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 20270366 is about 4502.2623202119. The cubic root of 20270366 is about 272.6594347975.

Adding to 20270366 its reverse (66307202), we get a palindrome (86577568).

The spelling of 20270366 in words is "twenty million, two hundred seventy thousand, three hundred sixty-six".