14020223540 has 24 divisors (see below), whose sum is σ = 29640076200. Its totient is φ = 5570450048.

The previous prime is 14020223533. The next prime is 14020223549. The reversal of 14020223540 is 4532202041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 454030864 + 13566192676 = 21308^2 + 116474^2 .

It is a super-2 number, since 2×14020223540² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14020223549) 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, 2349407 + ... + 2355366.

It is an arithmetic number, because the mean of its divisors is an integer number (1235003175).

Almost surely, 2^14020223540 is an apocalyptic number.

14020223540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14020223540 is an abundant number, since it is smaller than the sum of its proper divisors (15619852660).

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

14020223540 is a wasteful number, since it uses less digits than its factorization.

14020223540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704931 (or 4704929 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 14020223540 its reverse (4532202041), we get a palindrome (18552425581).

The spelling of 14020223540 in words is "fourteen billion, twenty million, two hundred twenty-three thousand, five hundred forty".