20200012001242 has 16 divisors (see below), whose sum is σ = 30457773051552. Its totient is φ = 10047434276880.

The previous prime is 20200012001153. The next prime is 20200012001243. The reversal of 20200012001242 is 24210021000202.

It is not an unprimeable number, because it can be changed into a prime (20200012001243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276384 + ... + 6362107.

It is an arithmetic number, because the mean of its divisors is an integer number (1903610815722).

Almost surely, 2^{20200012001242} is an apocalyptic number.

20200012001242 is a deficient number, since it is larger than the sum of its proper divisors (10257761050310).

20200012001242 is a wasteful number, since it uses less digits than its factorization.

20200012001242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646413.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20200012001242 its reverse (24210021000202), we get a palindrome (44410033001444).

The spelling of 20200012001242 in words is "twenty trillion, two hundred billion, twelve million, one thousand, two hundred forty-two".