20240040002 has 32 divisors (see below), whose sum is σ = 37839244800. Its totient is φ = 7905688128.

The previous prime is 20240039957. The next prime is 20240040011. The reversal of 20240040002 is 20004004202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689477 + ... + 718232.

It is an arithmetic number, because the mean of its divisors is an integer number (1182476400).

Almost surely, 2^20240040002 is an apocalyptic number.

20240040002 is a deficient number, since it is larger than the sum of its proper divisors (17599204798).

20240040002 is a wasteful number, since it uses less digits than its factorization.

20240040002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407810.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20240040002 its reverse (20004004202), we get a palindrome (40244044204).

The spelling of 20240040002 in words is "twenty billion, two hundred forty million, forty thousand, two".