202226606420 has 24 divisors (see below), whose sum is σ = 424685916648. Its totient is φ = 80888729600.

The previous prime is 202226606411. The next prime is 202226606423. The reversal of 202226606420 is 24606622202.

It can be written as a sum of positive squares in 4 ways, for example, as 1825340176 + 200401266244 = 42724^2 + 447662^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202226606423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005500 + ... + 1189740.

It is an arithmetic number, because the mean of its divisors is an integer number (17695246527).

Almost surely, 2^202226606420 is an apocalyptic number.

202226606420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202226606420 is an abundant number, since it is smaller than the sum of its proper divisors (222459310228).

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

202226606420 is a wasteful number, since it uses less digits than its factorization.

202226606420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239131 (or 239129 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

It can be divided in two parts, 202 and 226606420, that added together give a palindrome (226606622).

The spelling of 202226606420 in words is "two hundred two billion, two hundred twenty-six million, six hundred six thousand, four hundred twenty".