20210221002202 has 16 divisors (see below), whose sum is σ = 37795737978432. Its totient is φ = 7874112078720.

The previous prime is 20210221002193. The next prime is 20210221002227. The reversal of 20210221002202 is 20220012201202.

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, 65617600503 + ... + 65617600810.

It is an arithmetic number, because the mean of its divisors is an integer number (2362233623652).

Almost surely, 2^{20210221002202} is an apocalyptic number.

20210221002202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20210221002202 is a deficient number, since it is larger than the sum of its proper divisors (17585516976230).

20210221002202 is a wasteful number, since it uses less digits than its factorization.

20210221002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131235201333.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20210221002202 its reverse (20220012201202), we get a palindrome (40430233203404).

The spelling of 20210221002202 in words is "twenty trillion, two hundred ten billion, two hundred twenty-one million, two thousand, two hundred two".