201002022 has 48 divisors (see below), whose sum is σ = 470328768. Its totient is φ = 61672320.

The previous prime is 201001951. The next prime is 201002057. The reversal of 201002022 is 220200102.

201002022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201001995 and 201002013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99858 + ... + 101850.

It is an arithmetic number, because the mean of its divisors is an integer number (9798516).

Almost surely, 2^201002022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201002022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235164384).

201002022 is an abundant number, since it is smaller than the sum of its proper divisors (269326746).

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

201002022 is a wasteful number, since it uses less digits than its factorization.

201002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 201002022 is about 14177.5181890202. The cubic root of 201002022 is about 585.7785645044.

Adding to 201002022 its reverse (220200102), we get a palindrome (421202124).

It can be divided in two parts, 20100 and 2022, that added together give a palindrome (22122).

The spelling of 201002022 in words is "two hundred one million, two thousand, twenty-two".