20440010321234 has 32 divisors (see below), whose sum is σ = 36617772128256. Its totient is φ = 8374234795920.

The previous prime is 20440010321231. The next prime is 20440010321261. The reversal of 20440010321234 is 43212301004402.

It is not an unprimeable number, because it can be changed into a prime (20440010321231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361179212 + ... + 361235799.

It is an arithmetic number, because the mean of its divisors is an integer number (1144305379008).

Almost surely, 2^{20440010321234} is an apocalyptic number.

20440010321234 is a deficient number, since it is larger than the sum of its proper divisors (16177761807022).

20440010321234 is a wasteful number, since it uses less digits than its factorization.

20440010321234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722415110.

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

Adding to 20440010321234 its reverse (43212301004402), we get a palindrome (63652311325636).

The spelling of 20440010321234 in words is "twenty trillion, four hundred forty billion, ten million, three hundred twenty-one thousand, two hundred thirty-four".