20140210242 has 12 divisors (see below), whose sum is σ = 43637122230. Its totient is φ = 6713403408.

The previous prime is 20140210177. The next prime is 20140210247. The reversal of 20140210242 is 24201204102.

20140210242 is a `hidden beast` number, since 20 + 1 + 402 + 1 + 0 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11889939681 + 8250270561 = 109041^2 + 90831^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1118900569 = 20140210242 / (2 + 0 + 1 + 4 + 0 + 2 + 1 + 0 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (20140210247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 559450267 + ... + 559450302.

Almost surely, 2^20140210242 is an apocalyptic number.

20140210242 is an abundant number, since it is smaller than the sum of its proper divisors (23496911988).

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

20140210242 is a wasteful number, since it uses less digits than its factorization.

20140210242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118900577 (or 1118900574 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20140210242 its reverse (24201204102), we get a palindrome (44341414344).

The spelling of 20140210242 in words is "twenty billion, one hundred forty million, two hundred ten thousand, two hundred forty-two".