20044031544 has 48 divisors (see below), whose sum is σ = 54812986800. Its totient is φ = 6616473984.

The previous prime is 20044031519. The next prime is 20044031569. The reversal of 20044031544 is 44513044002.

It is a happy number.

20044031544 is a `hidden beast` number, since 200 + 4 + 403 + 1 + 54 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (20044031519) and next prime (20044031569).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1343989 + ... + 1358820.

It is an arithmetic number, because the mean of its divisors is an integer number (1141937225).

Almost surely, 2^20044031544 is an apocalyptic number.

20044031544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20044031544 is an abundant number, since it is smaller than the sum of its proper divisors (34768955256).

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

20044031544 is a wasteful number, since it uses less digits than its factorization.

20044031544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702924 (or 2702917 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20044031544 its reverse (44513044002), we get a palindrome (64557075546).

The spelling of 20044031544 in words is "twenty billion, forty-four million, thirty-one thousand, five hundred forty-four".