20012200021010 has 32 divisors (see below), whose sum is σ = 38141155946880. Its totient is φ = 7533953932032.

The previous prime is 20012200021003. The next prime is 20012200021013. The reversal of 20012200021010 is 1012000221002.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20012200020982 and 20012200021000.

It is not an unprimeable number, because it can be changed into a prime (20012200021013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33283667 + ... + 33879593.

It is an arithmetic number, because the mean of its divisors is an integer number (1191911123340).

Almost surely, 2^{20012200021010} is an apocalyptic number.

20012200021010 is a deficient number, since it is larger than the sum of its proper divisors (18128955925870).

20012200021010 is a wasteful number, since it uses less digits than its factorization.

20012200021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793490.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20012200021010 its reverse (1012000221002), we get a palindrome (21024200242012).

The spelling of 20012200021010 in words is "twenty trillion, twelve billion, two hundred million, twenty-one thousand, ten".