20020222101021 has 8 divisors (see below), whose sum is σ = 26694442463040. Its totient is φ = 13346408236512.

The previous prime is 20020222100993. The next prime is 20020222101029. The reversal of 20020222101021 is 12010122202002.

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

It is not a de Polignac number, because 20020222101021 - 2¹⁴ = 20020222084637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020222101029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101509440 + ... + 101706473.

It is an arithmetic number, because the mean of its divisors is an integer number (3336805307880).

Almost surely, 2^{20020222101021} is an apocalyptic number.

It is an amenable number.

20020222101021 is a deficient number, since it is larger than the sum of its proper divisors (6674220362019).

20020222101021 is a wasteful number, since it uses less digits than its factorization.

20020222101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203248755.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20020222101021 its reverse (12010122202002), we get a palindrome (32030344303023).

The spelling of 20020222101021 in words is "twenty trillion, twenty billion, two hundred twenty-two million, one hundred one thousand, twenty-one".