202001220100220 has 48 divisors (see below), whose sum is σ = 425550565006560. Its totient is φ = 80543737377024.

The previous prime is 202001220100213. The next prime is 202001220100259. The reversal of 202001220100220 is 22001022100202.

It is a junction number, because it is equal to n+sod(n) for n = 202001220100195 and 202001220100204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292683782 + ... + 293373138.

It is an arithmetic number, because the mean of its divisors is an integer number (8865636770970).

Almost surely, 2^{202001220100220} is an apocalyptic number.

202001220100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202001220100220 is an abundant number, since it is smaller than the sum of its proper divisors (223549344906340).

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

202001220100220 is a wasteful number, since it uses less digits than its factorization.

202001220100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735902 (or 735900 counting only the distinct ones).

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

Adding to 202001220100220 its reverse (22001022100202), we get a palindrome (224002242200422).

The spelling of 202001220100220 in words is "two hundred two trillion, one billion, two hundred twenty million, one hundred thousand, two hundred twenty".