20221202000 has 80 divisors (see below), whose sum is σ = 49399411152. Its totient is φ = 8005017600.

The previous prime is 20221201969. The next prime is 20221202003. The reversal of 20221202000 is 20212202.

It can be written as a sum of positive squares in 8 ways, for example, as 4620192784 + 15601009216 = 67972^2 + 124904^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221202003) 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, 141884 + ... + 246116.

Almost surely, 2^20221202000 is an apocalyptic number.

20221202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20221202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24699705576).

20221202000 is an abundant number, since it is smaller than the sum of its proper divisors (29178209152).

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

20221202000 is a wasteful number, since it uses less digits than its factorization.

20221202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104353 (or 104337 counting only the distinct ones).

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

Adding to 20221202000 its reverse (20212202), we get a palindrome (20241414202).

The spelling of 20221202000 in words is "twenty billion, two hundred twenty-one million, two hundred two thousand".