20011002102010 has 32 divisors (see below), whose sum is σ = 36086985126720. Its totient is φ = 7989472737792.

The previous prime is 20011002101999. The next prime is 20011002102017. The reversal of 20011002102010 is 1020120011002.

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

It is not an unprimeable number, because it can be changed into a prime (20011002102017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 205278661 + ... + 205376119.

It is an arithmetic number, because the mean of its divisors is an integer number (1127718285210).

Almost surely, 2^{20011002102010} is an apocalyptic number.

20011002102010 is a deficient number, since it is larger than the sum of its proper divisors (16075983024710).

20011002102010 is a wasteful number, since it uses less digits than its factorization.

20011002102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135550.

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

Adding to 20011002102010 its reverse (1020120011002), we get a palindrome (21031122113012).

The spelling of 20011002102010 in words is "twenty trillion, eleven billion, two million, one hundred two thousand, ten".