2021320202 has 16 divisors (see below), whose sum is σ = 3321819072. Its totient is φ = 914836320.

The previous prime is 2021320199. The next prime is 2021320243. The reversal of 2021320202 is 2020231202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192038 + ... + 202289.

It is an arithmetic number, because the mean of its divisors is an integer number (207613692).

Almost surely, 2^2021320202 is an apocalyptic number.

2021320202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2021320202 is a deficient number, since it is larger than the sum of its proper divisors (1300498870).

2021320202 is a wasteful number, since it uses less digits than its factorization.

2021320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394573.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2021320202 is about 44959.0947640185. The cubic root of 2021320202 is about 1264.3821970365.

Adding to 2021320202 its reverse (2020231202), we get a palindrome (4041551404).

It can be divided in two parts, 2021 and 320202, that added together give a palindrome (322223).

The spelling of 2021320202 in words is "two billion, twenty-one million, three hundred twenty thousand, two hundred two".