2001020200222 has 4 divisors (see below), whose sum is σ = 3001530300336. Its totient is φ = 1000510100110.

The previous prime is 2001020200139. The next prime is 2001020200229. The reversal of 2001020200222 is 2220020201002.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001020200229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500255050054 + ... + 500255050057.

It is an arithmetic number, because the mean of its divisors is an integer number (750382575084).

Almost surely, 2^{2001020200222} is an apocalyptic number.

2001020200222 is a deficient number, since it is larger than the sum of its proper divisors (1000510100114).

2001020200222 is a wasteful number, since it uses less digits than its factorization.

2001020200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000510100113.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2001020200222 its reverse (2220020201002), we get a palindrome (4221040401224).

The spelling of 2001020200222 in words is "two trillion, one billion, twenty million, two hundred thousand, two hundred twenty-two".