20027390 has 8 divisors (see below), whose sum is σ = 36049320. Its totient is φ = 8010952.

The previous prime is 20027383. The next prime is 20027401. The reversal of 20027390 is 9372002.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001360 + ... + 1001379.

It is an arithmetic number, because the mean of its divisors is an integer number (4506165).

Almost surely, 2^20027390 is an apocalyptic number.

20027390 is a deficient number, since it is larger than the sum of its proper divisors (16021930).

20027390 is a wasteful number, since it uses less digits than its factorization.

20027390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002746.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 20027390 is about 4475.1972023588. The cubic root of 20027390 is about 271.5656183003.

Adding to 20027390 its reverse (9372002), we get a palindrome (29399392).

The spelling of 20027390 in words is "twenty million, twenty-seven thousand, three hundred ninety".