220020122002021 has 32 divisors (see below), whose sum is σ = 254429150976000. Its totient is φ = 188163951497280.

The previous prime is 220020122001991. The next prime is 220020122002049. The reversal of 220020122002021 is 120200221020022.

It is not a de Polignac number, because 220020122002021 - 2¹⁹ = 220020121477733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220020122001986 and 220020122002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020122002081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15661735 + ... + 26178811.

It is an arithmetic number, because the mean of its divisors is an integer number (7950910968000).

Almost surely, 2^{220020122002021} is an apocalyptic number.

It is an amenable number.

220020122002021 is a deficient number, since it is larger than the sum of its proper divisors (34409028973979).

220020122002021 is a wasteful number, since it uses less digits than its factorization.

220020122002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10517809.

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

Adding to 220020122002021 its reverse (120200221020022), we get a palindrome (340220343022043).

The spelling of 220020122002021 in words is "two hundred twenty trillion, twenty billion, one hundred twenty-two million, two thousand, twenty-one".