20220020304421 has 8 divisors (see below), whose sum is σ = 23124433298240. Its totient is φ = 17319566976768.

The previous prime is 20220020304349. The next prime is 20220020304493. The reversal of 20220020304421 is 12440302002202.

It is an interprime number because it is at equal distance from previous prime (20220020304349) and next prime (20220020304493).

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

It is not a de Polignac number, because 20220020304421 - 2²³ = 20220011915813 is a prime.

It is a super-2 number, since 2×20220020304421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220020304392 and 20220020304401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220020304721) 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, 989905596 + ... + 989926021.

It is an arithmetic number, because the mean of its divisors is an integer number (2890554162280).

Almost surely, 2^{20220020304421} is an apocalyptic number.

It is an amenable number.

20220020304421 is a deficient number, since it is larger than the sum of its proper divisors (2904412993819).

20220020304421 is a wasteful number, since it uses less digits than its factorization.

20220020304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979833083.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20220020304421 its reverse (12440302002202), we get a palindrome (32660322306623).

The spelling of 20220020304421 in words is "twenty trillion, two hundred twenty billion, twenty million, three hundred four thousand, four hundred twenty-one".