20102001012006 has 16 divisors (see below), whose sum is σ = 40334959689024. Its totient is φ = 6678840726504.

The previous prime is 20102001012001. The next prime is 20102001012011. The reversal of 20102001012006 is 60021010020102.

It is an interprime number because it is at equal distance from previous prime (20102001012001) and next prime (20102001012011).

It is a super-2 number, since 2×20102001012006² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102001012001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5456567380 + ... + 5456571063.

It is an arithmetic number, because the mean of its divisors is an integer number (2520934980564).

Almost surely, 2^{20102001012006} is an apocalyptic number.

20102001012006 is an abundant number, since it is smaller than the sum of its proper divisors (20232958677018).

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

20102001012006 is a wasteful number, since it uses less digits than its factorization.

20102001012006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10913138755.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20102001012006 its reverse (60021010020102), we get a palindrome (80123011032108).

The spelling of 20102001012006 in words is "twenty trillion, one hundred two billion, one million, twelve thousand, six".