20440611023586 has 16 divisors (see below), whose sum is σ = 44025931435584. Its totient is φ = 6289418776464.

The previous prime is 20440611023533. The next prime is 20440611023587. The reversal of 20440611023586 is 68532011604402.

It is not an unprimeable number, because it can be changed into a prime (20440611023587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131029557766 + ... + 131029557921.

It is an arithmetic number, because the mean of its divisors is an integer number (2751620714724).

Almost surely, 2^{20440611023586} is an apocalyptic number.

20440611023586 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20440611023586 is an abundant number, since it is smaller than the sum of its proper divisors (23585320411998).

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

20440611023586 is a wasteful number, since it uses less digits than its factorization.

20440611023586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262059115705.

The product of its (nonzero) digits is 276480, while the sum is 42.

Adding to 20440611023586 its reverse (68532011604402), we get a palindrome (88972622627988).

The spelling of 20440611023586 in words is "twenty trillion, four hundred forty billion, six hundred eleven million, twenty-three thousand, five hundred eighty-six".