202211020220 has 96 divisors (see below), whose sum is σ = 466334668800. Its totient is φ = 73042421760.

The previous prime is 202211020183. The next prime is 202211020259. The reversal of 202211020220 is 22020112202.

202211020220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202211020195 and 202211020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29460509 + ... + 29467371.

It is an arithmetic number, because the mean of its divisors is an integer number (4857652800).

Almost surely, 2^202211020220 is an apocalyptic number.

202211020220 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 202211020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233167334400).

202211020220 is an abundant number, since it is smaller than the sum of its proper divisors (264123648580).

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

202211020220 is a wasteful number, since it uses less digits than its factorization.

202211020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7755 (or 7753 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202211020220 its reverse (22020112202), we get a palindrome (224231132422).

The spelling of 202211020220 in words is "two hundred two billion, two hundred eleven million, twenty thousand, two hundred twenty".