20440143340010 has 16 divisors (see below), whose sum is σ = 36888321355776. Its totient is φ = 8154709926288.

The previous prime is 20440143339943. The next prime is 20440143340037. The reversal of 20440143340010 is 1004334104402.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668422194 + ... + 2668429853.

It is an arithmetic number, because the mean of its divisors is an integer number (2305520084736).

Almost surely, 2^{20440143340010} is an apocalyptic number.

20440143340010 is a deficient number, since it is larger than the sum of its proper divisors (16448178015766).

20440143340010 is a wasteful number, since it uses less digits than its factorization.

20440143340010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336852437.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20440143340010 its reverse (1004334104402), we get a palindrome (21444477444412).

The spelling of 20440143340010 in words is "twenty trillion, four hundred forty billion, one hundred forty-three million, three hundred forty thousand, ten".