20222002020021 has 8 divisors (see below), whose sum is σ = 26967020307744. Its totient is φ = 13479159206160.

The previous prime is 20222002020001. The next prime is 20222002020037. The reversal of 20222002020021 is 12002020022202.

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

It is not a de Polignac number, because 20222002020021 - 2²¹ = 20221999922869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222002020001) 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, 543846775 + ... + 543883956.

It is an arithmetic number, because the mean of its divisors is an integer number (3370877538468).

Almost surely, 2^{20222002020021} is an apocalyptic number.

It is an amenable number.

20222002020021 is a deficient number, since it is larger than the sum of its proper divisors (6745018287723).

20222002020021 is a wasteful number, since it uses less digits than its factorization.

20222002020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087736931.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20222002020021 its reverse (12002020022202), we get a palindrome (32224022042223).

The spelling of 20222002020021 in words is "twenty trillion, two hundred twenty-two billion, two million, twenty thousand, twenty-one".