20012201102010 has 128 divisors (see below), whose sum is σ = 52223785205760. Its totient is φ = 4878604636416.

The previous prime is 20012201101969. The next prime is 20012201102077. The reversal of 20012201102010 is 1020110221002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27526561 + ... + 28244219.

It is an arithmetic number, because the mean of its divisors is an integer number (407998321920).

Almost surely, 2^{20012201102010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012201102010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26111892602880).

20012201102010 is an abundant number, since it is smaller than the sum of its proper divisors (32211584103750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012201102010 is a wasteful number, since it uses less digits than its factorization.

20012201102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718372.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20012201102010 its reverse (1020110221002), we get a palindrome (21032311323012).

The spelling of 20012201102010 in words is "twenty trillion, twelve billion, two hundred one million, one hundred two thousand, ten".