20014390 has 32 divisors (see below), whose sum is σ = 40054176. Its totient is φ = 7138560.

The previous prime is 20014381. The next prime is 20014427. The reversal of 20014390 is 9341002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4114 + ... + 7546.

It is an arithmetic number, because the mean of its divisors is an integer number (1251693).

Almost surely, 2^20014390 is an apocalyptic number.

20014390 is an abundant number, since it is smaller than the sum of its proper divisors (20039786).

20014390 is a wasteful number, since it uses less digits than its factorization.

20014390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20014390 is about 4473.7445166214. The cubic root of 20014390 is about 271.5068468349.

Adding to 20014390 its reverse (9341002), we get a palindrome (29355392).

The spelling of 20014390 in words is "twenty million, fourteen thousand, three hundred ninety".