20221101008 has 20 divisors (see below), whose sum is σ = 39183812388. Its totient is φ = 10109149440.

The previous prime is 20221101001. The next prime is 20221101013. The reversal of 20221101008 is 80010112202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10010402704 + 10210698304 = 100052^2 + 101048^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221101001) 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, 36860 + ... + 204452.

Almost surely, 2^20221101008 is an apocalyptic number.

It is an amenable number.

20221101008 is a deficient number, since it is larger than the sum of its proper divisors (18962711380).

20221101008 is a wasteful number, since it uses less digits than its factorization.

20221101008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175142 (or 175136 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The spelling of 20221101008 in words is "twenty billion, two hundred twenty-one million, one hundred one thousand, eight".