103420663424 has 32 divisors (see below), whose sum is σ = 221882075940. Its totient is φ = 47732613120.

The previous prime is 103420663391. The next prime is 103420663427. The reversal of 103420663424 is 424366024301.

It can be written as a sum of positive squares in 2 ways, for example, as 72102990400 + 31317673024 = 268520^2 + 176968^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (103420663427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31074257 + ... + 31077584.

Almost surely, 2^103420663424 is an apocalyptic number.

It is an amenable number.

103420663424 is an abundant number, since it is smaller than the sum of its proper divisors (118461412516).

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

103420663424 is an equidigital number, since it uses as much as digits as its factorization.

103420663424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62151868 (or 62151856 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 103420663424 its reverse (424366024301), we get a palindrome (527786687725).

The spelling of 103420663424 in words is "one hundred three billion, four hundred twenty million, six hundred sixty-three thousand, four hundred twenty-four".