20003386 has 16 divisors (see below), whose sum is σ = 32798304. Its totient is φ = 9093744.

The previous prime is 20003383. The next prime is 20003393. The reversal of 20003386 is 68330002.

It is not an unprimeable number, because it can be changed into a prime (20003383) 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, 4000 + ... + 7483.

It is an arithmetic number, because the mean of its divisors is an integer number (2049894).

Almost surely, 2^20003386 is an apocalyptic number.

20003386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20003386 is a deficient number, since it is larger than the sum of its proper divisors (12794918).

20003386 is a wasteful number, since it uses less digits than its factorization.

20003386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11565.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20003386 is about 4472.5145052867. The cubic root of 20003386 is about 271.4570791585.

Adding to 20003386 its reverse (68330002), we get a palindrome (88333388).

The spelling of 20003386 in words is "twenty million, three thousand, three hundred eighty-six".