14020205240 has 32 divisors (see below), whose sum is σ = 31627860480. Its totient is φ = 5593433472.

The previous prime is 14020205239. The next prime is 14020205249. The reversal of 14020205240 is 4250202041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14020205249) 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, 442259 + ... + 472898.

It is an arithmetic number, because the mean of its divisors is an integer number (988370640).

Almost surely, 2^14020205240 is an apocalyptic number.

14020205240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14020205240 is an abundant number, since it is smaller than the sum of its proper divisors (17607655240).

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

14020205240 is a wasteful number, since it uses less digits than its factorization.

14020205240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915551 (or 915547 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 14020205240 its reverse (4250202041), we get a palindrome (18270407281).

The spelling of 14020205240 in words is "fourteen billion, twenty million, two hundred five thousand, two hundred forty".