20012240002 has 32 divisors (see below), whose sum is σ = 31070738160. Its totient is φ = 9661916160.

The previous prime is 20012239963. The next prime is 20012240009. The reversal of 20012240002 is 20004221002.

It can be written as a sum of positive squares in 8 ways, for example, as 12276861601 + 7735378401 = 110801^2 + 87951^2 .

It is not an unprimeable number, because it can be changed into a prime (20012240009) by changing a digit.

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, 3936102 + ... + 3941182.

Almost surely, 2^20012240002 is an apocalyptic number.

20012240002 is a deficient number, since it is larger than the sum of its proper divisors (11058498158).

20012240002 is a wasteful number, since it uses less digits than its factorization.

20012240002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20012240002 its reverse (20004221002), we get a palindrome (40016461004).

The spelling of 20012240002 in words is "twenty billion, twelve million, two hundred forty thousand, two".