20002402042 has 32 divisors (see below), whose sum is σ = 35791126272. Its totient is φ = 8197352064.

The previous prime is 20002402039. The next prime is 20002402073. The reversal of 20002402042 is 24020420002.

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 15 ways as a sum of consecutive naturals, for example, 1473478 + ... + 1486990.

It is an arithmetic number, because the mean of its divisors is an integer number (1118472696).

Almost surely, 2^20002402042 is an apocalyptic number.

20002402042 is a deficient number, since it is larger than the sum of its proper divisors (15788724230).

20002402042 is a wasteful number, since it uses less digits than its factorization.

20002402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18142.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20002402042 its reverse (24020420002), we get a palindrome (44022822044).

It can be divided in two parts, 2000 and 2402042, that added together give a palindrome (2404042).

The spelling of 20002402042 in words is "twenty billion, two million, four hundred two thousand, forty-two".