20202244243100 has 36 divisors (see below), whose sum is σ = 43911813349488. Its totient is φ = 8067451920000.

The previous prime is 20202244243087. The next prime is 20202244243109. The reversal of 20202244243100 is 134244220202.

It is a super-2 number, since 2×20202244243100² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20202244243100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202244243109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168011816 + ... + 168132015.

Almost surely, 2^{20202244243100} is an apocalyptic number.

20202244243100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202244243100 is an abundant number, since it is smaller than the sum of its proper divisors (23709569106388).

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

20202244243100 is a wasteful number, since it uses less digits than its factorization.

20202244243100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336144446 (or 336144439 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20202244243100 its reverse (134244220202), we get a palindrome (20336488463302).

The spelling of 20202244243100 in words is "twenty trillion, two hundred two billion, two hundred forty-four million, two hundred forty-three thousand, one hundred".