202201100210020 has 24 divisors (see below), whose sum is σ = 439264459078200. Its totient is φ = 78091459391232.

The previous prime is 202201100209987. The next prime is 202201100210029. The reversal of 202201100210020 is 20012001102202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5405318104356 + 196795782105664 = 2324934^2 + 14028392^2 .

It is a super-2 number, since 2×202201100210020² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202201100210029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174311292705 + ... + 174311293864.

It is an arithmetic number, because the mean of its divisors is an integer number (18302685794925).

Almost surely, 2^{202201100210020} is an apocalyptic number.

202201100210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202201100210020 is an abundant number, since it is smaller than the sum of its proper divisors (237063358868180).

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

202201100210020 is a wasteful number, since it uses less digits than its factorization.

202201100210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348622586607 (or 348622586605 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202201100210020 its reverse (20012001102202), we get a palindrome (222213101312222).

The spelling of 202201100210020 in words is "two hundred two trillion, two hundred one billion, one hundred million, two hundred ten thousand, twenty".