20222002021321 has 16 divisors (see below), whose sum is σ = 21433093718400. Its totient is φ = 19025794833408.

The previous prime is 20222002021211. The next prime is 20222002021423. The reversal of 20222002021321 is 12312020022202.

It is a cyclic number.

It is not a de Polignac number, because 20222002021321 - 2¹⁵ = 20222001988553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222002081321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645481 + ... + 6392233.

It is an arithmetic number, because the mean of its divisors is an integer number (1339568357400).

Almost surely, 2^{20222002021321} is an apocalyptic number.

It is an amenable number.

20222002021321 is a deficient number, since it is larger than the sum of its proper divisors (1211091697079).

20222002021321 is a wasteful number, since it uses less digits than its factorization.

20222002021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748048.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20222002021321 its reverse (12312020022202), we get a palindrome (32534022043523).

The spelling of 20222002021321 in words is "twenty trillion, two hundred twenty-two billion, two million, twenty-one thousand, three hundred twenty-one".