20200111001002 has 16 divisors (see below), whose sum is σ = 31245286355712. Its totient is φ = 9789188263920.

The previous prime is 20200111000999. The next prime is 20200111001009. The reversal of 20200111001002 is 20010011100202.

It is a self number, because there is not a number n which added to its sum of digits gives 20200111001002.

It is not an unprimeable number, because it can be changed into a prime (20200111001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043168949 + ... + 1043188312.

It is an arithmetic number, because the mean of its divisors is an integer number (1952830397232).

Almost surely, 2^{20200111001002} is an apocalyptic number.

20200111001002 is a deficient number, since it is larger than the sum of its proper divisors (11045175354710).

20200111001002 is a wasteful number, since it uses less digits than its factorization.

20200111001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086357413.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20200111001002 its reverse (20010011100202), we get a palindrome (40210122101204).

The spelling of 20200111001002 in words is "twenty trillion, two hundred billion, one hundred eleven million, one thousand, two".