103530434420 has 48 divisors (see below), whose sum is σ = 257041088640. Its totient is φ = 34272142464.

The previous prime is 103530434387. The next prime is 103530434429. The reversal of 103530434420 is 24434035301.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103530434429) 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, 12745994 + ... + 12754113.

It is an arithmetic number, because the mean of its divisors is an integer number (5355022680).

Almost surely, 2^103530434420 is an apocalyptic number.

103530434420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103530434420 is an abundant number, since it is smaller than the sum of its proper divisors (153510654220).

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

103530434420 is a wasteful number, since it uses less digits than its factorization.

103530434420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500152 (or 25500150 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 103530434420 its reverse (24434035301), we get a palindrome (127964469721).

The spelling of 103530434420 in words is "one hundred three billion, five hundred thirty million, four hundred thirty-four thousand, four hundred twenty".