20001201001010 has 64 divisors (see below), whose sum is σ = 36698706063360. Its totient is φ = 7847343866880.

The previous prime is 20001201001007. The next prime is 20001201001027. The reversal of 20001201001010 is 1010010210002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101270255 + ... + 101467565.

It is an arithmetic number, because the mean of its divisors is an integer number (573417282240).

Almost surely, 2^{20001201001010} is an apocalyptic number.

20001201001010 is a deficient number, since it is larger than the sum of its proper divisors (16697505062350).

20001201001010 is a wasteful number, since it uses less digits than its factorization.

20001201001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198363.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20001201001010 its reverse (1010010210002), we get a palindrome (21011211211012).

The spelling of 20001201001010 in words is "twenty trillion, one billion, two hundred one million, one thousand, ten".