20001100212010 has 16 divisors (see below), whose sum is σ = 36222851429856. Its totient is φ = 7951357629648.

The previous prime is 20001100211951. The next prime is 20001100212083. The reversal of 20001100212010 is 1021200110002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6135305184 + ... + 6135308443.

It is an arithmetic number, because the mean of its divisors is an integer number (2263928214366).

Almost surely, 2^{20001100212010} is an apocalyptic number.

20001100212010 is a deficient number, since it is larger than the sum of its proper divisors (16221751217846).

20001100212010 is a wasteful number, since it uses less digits than its factorization.

20001100212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12270613797.

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

Adding to 20001100212010 its reverse (1021200110002), we get a palindrome (21022300322012).

The spelling of 20001100212010 in words is "twenty trillion, one billion, one hundred million, two hundred twelve thousand, ten".