20014393 has 32 divisors (see below), whose sum is σ = 25344000. Its totient is φ = 15756048.

The previous prime is 20014381. The next prime is 20014427. The reversal of 20014393 is 39341002.

It is not a de Polignac number, because 20014393 - 2⁹ = 20013881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20014493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339198 + ... + 339256.

It is an arithmetic number, because the mean of its divisors is an integer number (792000).

Almost surely, 2^20014393 is an apocalyptic number.

20014393 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20014393 is a deficient number, since it is larger than the sum of its proper divisors (5329607).

20014393 is an equidigital number, since it uses as much as digits as its factorization.

20014393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20014393 is about 4473.7448519110. The cubic root of 20014393 is about 271.5068604005.

Adding to 20014393 its reverse (39341002), we get a palindrome (59355395).

The spelling of 20014393 in words is "twenty million, fourteen thousand, three hundred ninety-three".