202022100100 has 36 divisors (see below), whose sum is σ = 440353871104. Its totient is φ = 80446459680.

The previous prime is 202022100089. The next prime is 202022100103. The reversal of 202022100100 is 1001220202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (202022100103) 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 11 ways as a sum of consecutive naturals, for example, 4507344 + ... + 4551943.

Almost surely, 2^202022100100 is an apocalyptic number.

202022100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202022100100 is an abundant number, since it is smaller than the sum of its proper divisors (238331771004).

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

202022100100 is a wasteful number, since it uses less digits than its factorization.

202022100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059524 (or 9059517 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 202022100100 its reverse (1001220202), we get a palindrome (203023320302).

The spelling of 202022100100 in words is "two hundred two billion, twenty-two million, one hundred thousand, one hundred".