20020021022 has 8 divisors (see below), whose sum is σ = 30111858336. Its totient is φ = 9982734912.

The previous prime is 20020021019. The next prime is 20020021027. The reversal of 20020021022 is 22012002002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20020020994 and 20020021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020021027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13636883 + ... + 13638350.

It is an arithmetic number, because the mean of its divisors is an integer number (3763982292).

Almost surely, 2^20020021022 is an apocalyptic number.

20020021022 is a deficient number, since it is larger than the sum of its proper divisors (10091837314).

20020021022 is a wasteful number, since it uses less digits than its factorization.

20020021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27275602.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20020021022 its reverse (22012002002), we get a palindrome (42032023024).

The spelling of 20020021022 in words is "twenty billion, twenty million, twenty-one thousand, twenty-two".