20124142002 has 24 divisors (see below), whose sum is σ = 43727256300. Its totient is φ = 6688824480.

The previous prime is 20124141911. The next prime is 20124142019. The reversal of 20124142002 is 20024142102.

20124142002 is a `hidden beast` number, since 2 + 0 + 1 + 241 + 420 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18807105321 + 1317036681 = 137139^2 + 36291^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1595449 + ... + 1608012.

Almost surely, 2^20124142002 is an apocalyptic number.

20124142002 is an abundant number, since it is smaller than the sum of its proper divisors (23603114298).

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

20124142002 is a wasteful number, since it uses less digits than its factorization.

20124142002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203818 (or 3203815 counting only the distinct ones).

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

Adding to 20124142002 its reverse (20024142102), we get a palindrome (40148284104).

The spelling of 20124142002 in words is "twenty billion, one hundred twenty-four million, one hundred forty-two thousand, two".