20220220002021 has 16 divisors (see below), whose sum is σ = 29117354515200. Its totient is φ = 12407558397120.

The previous prime is 20220220001999. The next prime is 20220220002043. The reversal of 20220220002021 is 12020002202202.

It is an interprime number because it is at equal distance from previous prime (20220220001999) and next prime (20220220002043).

It is not a de Polignac number, because 20220220002021 - 2⁷ = 20220220001893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220220002121) 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, 742776045 + ... + 742803266.

It is an arithmetic number, because the mean of its divisors is an integer number (1819834657200).

Almost surely, 2^{20220220002021} is an apocalyptic number.

It is an amenable number.

20220220002021 is a deficient number, since it is larger than the sum of its proper divisors (8897134513179).

20220220002021 is a wasteful number, since it uses less digits than its factorization.

20220220002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485579676.

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

Adding to 20220220002021 its reverse (12020002202202), we get a palindrome (32240222204223).

The spelling of 20220220002021 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, two thousand, twenty-one".