22001202020 has 48 divisors (see below), whose sum is σ = 52819673088. Its totient is φ = 7540871040.

The previous prime is 22001201993. The next prime is 22001202029. The reversal of 22001202020 is 2020210022.

It is a junction number, because it is equal to n+sod(n) for n = 22001201992 and 22001202010.

It is not an unprimeable number, because it can be changed into a prime (22001202029) 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, 448925 + ... + 495515.

It is an arithmetic number, because the mean of its divisors is an integer number (1100409856).

Almost surely, 2^22001202020 is an apocalyptic number.

22001202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001202020 is an abundant number, since it is smaller than the sum of its proper divisors (30818471068).

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

22001202020 is a wasteful number, since it uses less digits than its factorization.

22001202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49980 (or 49978 counting only the distinct ones).

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

Adding to 22001202020 its reverse (2020210022), we get a palindrome (24021412042).

The spelling of 22001202020 in words is "twenty-two billion, one million, two hundred two thousand, twenty".