20066000022 has 32 divisors (see below), whose sum is σ = 45432459360. Its totient is φ = 6562464480.

The previous prime is 20066000021. The next prime is 20066000023. The reversal of 20066000022 is 22000066002.

20066000022 is a `hidden beast` number, since 2 + 0 + 0 + 660 + 0 + 0 + 0 + 2 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (20066000021) and next prime (20066000023).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20065999959 and 20066000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20066000021) 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, 3502729 + ... + 3508452.

It is an arithmetic number, because the mean of its divisors is an integer number (1419764355).

Almost surely, 2^20066000022 is an apocalyptic number.

20066000022 is an abundant number, since it is smaller than the sum of its proper divisors (25366459338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20066000022 is a wasteful number, since it uses less digits than its factorization.

20066000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011245 (or 7011239 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20066000022 its reverse (22000066002), we get a palindrome (42066066024).

The spelling of 20066000022 in words is "twenty billion, sixty-six million, twenty-two", and thus it is an aban number and an uban number.