20221022000 has 40 divisors (see below), whose sum is σ = 48894436032. Its totient is φ = 8088408000.

The previous prime is 20221021999. The next prime is 20221022027. The reversal of 20221022000 is 22012202.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5053256 + ... + 5057255.

Almost surely, 2^20221022000 is an apocalyptic number.

20221022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221022000 is an abundant number, since it is smaller than the sum of its proper divisors (28673414032).

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

20221022000 is a wasteful number, since it uses less digits than its factorization.

20221022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110534 (or 10110518 counting only the distinct ones).

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

Adding to 20221022000 its reverse (22012202), we get a palindrome (20243034202).

The spelling of 20221022000 in words is "twenty billion, two hundred twenty-one million, twenty-two thousand".