20440342322200 has 24 divisors (see below), whose sum is σ = 47523795899580. Its totient is φ = 8176136928800.

The previous prime is 20440342322131. The next prime is 20440342322201. The reversal of 20440342322200 is 222324304402.

It is a happy number.

It is a super-2 number, since 2×20440342322200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20440342322201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51100855606 + ... + 51100856005.

Almost surely, 2^{20440342322200} is an apocalyptic number.

20440342322200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20440342322200 is an abundant number, since it is smaller than the sum of its proper divisors (27083453577380).

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

20440342322200 is a wasteful number, since it uses less digits than its factorization.

20440342322200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102201711627 (or 102201711618 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20440342322200 its reverse (222324304402), we get a palindrome (20662666626602).

The spelling of 20440342322200 in words is "twenty trillion, four hundred forty billion, three hundred forty-two million, three hundred twenty-two thousand, two hundred".