20010302020221 has 8 divisors (see below), whose sum is σ = 26737534178784. Its totient is φ = 13311635604240.

The previous prime is 20010302020193. The next prime is 20010302020243. The reversal of 20010302020221 is 12202020301002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20010302020221 - 2¹¹ = 20010302018173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010302020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010302020921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7141434010 + ... + 7141436811.

It is an arithmetic number, because the mean of its divisors is an integer number (3342191772348).

Almost surely, 2^{20010302020221} is an apocalyptic number.

It is an amenable number.

20010302020221 is a deficient number, since it is larger than the sum of its proper divisors (6727232158563).

20010302020221 is a wasteful number, since it uses less digits than its factorization.

20010302020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14282871291.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20010302020221 its reverse (12202020301002), we get a palindrome (32212322321223).

The spelling of 20010302020221 in words is "twenty trillion, ten billion, three hundred two million, twenty thousand, two hundred twenty-one".