202222020 has 432 divisors, whose sum is σ = 799098048. Its totient is φ = 37739520.

The previous prime is 202222019. The next prime is 202222079. The reversal of 202222020 is 20222202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202221987 and 202222005.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5465442 + ... + 5465478.

It is an arithmetic number, because the mean of its divisors is an integer number (1849764).

Almost surely, 2^202222020 is an apocalyptic number.

202222020 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 202222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399549024).

202222020 is an abundant number, since it is smaller than the sum of its proper divisors (596876028).

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

202222020 is a wasteful number, since it uses less digits than its factorization.

202222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 202222020 is about 14220.4788948896. The cubic root of 202222020 is about 586.9613182121.

Adding to 202222020 its reverse (20222202), we get a palindrome (222444222).

It can be divided in two parts, 2022 and 22020, that added together give a palindrome (24042).

The spelling of 202222020 in words is "two hundred two million, two hundred twenty-two thousand, twenty".