14021020 has 24 divisors (see below), whose sum is σ = 31709664. Its totient is φ = 5176896.

The previous prime is 14021011. The next prime is 14021027. The reversal of 14021020 is 2012041.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 14020988 and 14021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021027) 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, 26704 + ... + 27223.

It is an arithmetic number, because the mean of its divisors is an integer number (1321236).

Almost surely, 2^14021020 is an apocalyptic number.

14021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14021020 is an abundant number, since it is smaller than the sum of its proper divisors (17688644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14021020 is a wasteful number, since it uses less digits than its factorization.

14021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53949 (or 53947 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 14021020 is about 3744.4652488707. The cubic root of 14021020 is about 241.1347879813.

Adding to 14021020 its reverse (2012041), we get a palindrome (16033061).

The spelling of 14021020 in words is "fourteen million, twenty-one thousand, twenty".