20218206022 has 32 divisors (see below), whose sum is σ = 36462700800. Its totient is φ = 8224345248.

The previous prime is 20218205951. The next prime is 20218206031. The reversal of 20218206022 is 22060281202.

It is a super-3 number, since 3×20218206022³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398068 + ... + 445975.

It is an arithmetic number, because the mean of its divisors is an integer number (1139459400).

Almost surely, 2^20218206022 is an apocalyptic number.

20218206022 is a deficient number, since it is larger than the sum of its proper divisors (16244494778).

20218206022 is a wasteful number, since it uses less digits than its factorization.

20218206022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844140.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 20218206022 its reverse (22060281202), we get a palindrome (42278487224).

The spelling of 20218206022 in words is "twenty billion, two hundred eighteen million, two hundred six thousand, twenty-two".