202211222020 has 48 divisors (see below), whose sum is σ = 432061665840. Its totient is φ = 79479760896.

The previous prime is 202211222009. The next prime is 202211222021. The reversal of 202211222020 is 20222112202.

It can be written as a sum of positive squares in 8 ways, for example, as 581484996 + 201629737024 = 24114^2 + 449032^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202211221985 and 202211222003.

It is not an unprimeable number, because it can be changed into a prime (202211222021) 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, 135304 + ... + 650176.

It is an arithmetic number, because the mean of its divisors is an integer number (9001284705).

Almost surely, 2^202211222020 is an apocalyptic number.

202211222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202211222020 is an abundant number, since it is smaller than the sum of its proper divisors (229850443820).

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

202211222020 is a wasteful number, since it uses less digits than its factorization.

202211222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515224 (or 515222 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202211222020 its reverse (20222112202), we get a palindrome (222433334222).

The spelling of 202211222020 in words is "two hundred two billion, two hundred eleven million, two hundred twenty-two thousand, twenty".