20440452213310 has 8 divisors (see below), whose sum is σ = 36792813983976. Its totient is φ = 8176180885320.

The previous prime is 20440452213299. The next prime is 20440452213331. The reversal of 20440452213310 is 1331225404402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20440452213310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022022610656 + ... + 1022022610675.

It is an arithmetic number, because the mean of its divisors is an integer number (4599101747997).

Almost surely, 2^{20440452213310} is an apocalyptic number.

20440452213310 is a deficient number, since it is larger than the sum of its proper divisors (16352361770666).

20440452213310 is a wasteful number, since it uses less digits than its factorization.

20440452213310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044045221338.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20440452213310 its reverse (1331225404402), we get a palindrome (21771677617712).

The spelling of 20440452213310 in words is "twenty trillion, four hundred forty billion, four hundred fifty-two million, two hundred thirteen thousand, three hundred ten".