103020432500 has 30 divisors (see below), whose sum is σ = 225285087258. Its totient is φ = 41208172000.

The previous prime is 103020432469. The next prime is 103020432511. The reversal of 103020432500 is 5234020301.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 12460363876 + 90560068624 = 111626^2 + 300932^2 .

It is a super-2 number, since 2×103020432500² (a number of 23 digits) contains 22 as substring.

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 (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20601587 + ... + 20606586.

Almost surely, 2^103020432500 is an apocalyptic number.

103020432500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103020432500 is an abundant number, since it is smaller than the sum of its proper divisors (122264654758).

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

103020432500 is an equidigital number, since it uses as much as digits as its factorization.

103020432500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41208197 (or 41208180 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 103020432500 its reverse (5234020301), we get a palindrome (108254452801).

The spelling of 103020432500 in words is "one hundred three billion, twenty million, four hundred thirty-two thousand, five hundred".