103132020440 has 64 divisors (see below), whose sum is σ = 238218140160. Its totient is φ = 40161985920.

The previous prime is 103132020391. The next prime is 103132020461. The reversal of 103132020440 is 44020231301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430385 + ... + 625695.

It is an arithmetic number, because the mean of its divisors is an integer number (3722158440).

Almost surely, 2^103132020440 is an apocalyptic number.

103132020440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103132020440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119109070080).

103132020440 is an abundant number, since it is smaller than the sum of its proper divisors (135086119720).

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

103132020440 is a wasteful number, since it uses less digits than its factorization.

103132020440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195672 (or 195668 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 103132020440 its reverse (44020231301), we get a palindrome (147152251741).

The spelling of 103132020440 in words is "one hundred three billion, one hundred thirty-two million, twenty thousand, four hundred forty".