20010022001002 has 64 divisors (see below), whose sum is σ = 34956696493440. Its totient is φ = 8489882419200.

The previous prime is 20010022000993. The next prime is 20010022001003.

20010022001002 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20010022001002.

It is not an unprimeable number, because it can be changed into a prime (20010022001003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21556477 + ... + 22465567.

It is an arithmetic number, because the mean of its divisors is an integer number (546198382710).

Almost surely, 2^{20010022001002} is an apocalyptic number.

20010022001002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20010022001002 is a deficient number, since it is larger than the sum of its proper divisors (14946674492438).

20010022001002 is a wasteful number, since it uses less digits than its factorization.

20010022001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909607.

The product of its (nonzero) digits is 16, while the sum is 10.

It can be divided in two parts, 2001002 and 2001002, that added together give a palindrome (4002004).

The spelling of 20010022001002 in words is "twenty trillion, ten billion, twenty-two million, one thousand, two".