103020434440 has 64 divisors (see below), whose sum is σ = 288992396160. Its totient is φ = 32110264320.

The previous prime is 103020434423. The next prime is 103020434449. The reversal of 103020434440 is 44434020301.

It is a super-2 number, since 2×103020434440² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103020434449) 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, 16721017 + ... + 16727176.

It is an arithmetic number, because the mean of its divisors is an integer number (4515506190).

Almost surely, 2^103020434440 is an apocalyptic number.

103020434440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103020434440 is an abundant number, since it is smaller than the sum of its proper divisors (185971961720).

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

103020434440 is a wasteful number, since it uses less digits than its factorization.

103020434440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33448222 (or 33448218 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 103020434440 its reverse (44434020301), we get a palindrome (147454454741).

The spelling of 103020434440 in words is "one hundred three billion, twenty million, four hundred thirty-four thousand, four hundred forty".