103220432 has 20 divisors (see below), whose sum is σ = 228559776. Its totient is φ = 44237280.

The previous prime is 103220431. The next prime is 103220437. The reversal of 103220432 is 234022301.

It is a self number, because there is not a number n which added to its sum of digits gives 103220432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103220431) 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, 460694 + ... + 460917.

Almost surely, 2^103220432 is an apocalyptic number.

It is an amenable number.

103220432 is an abundant number, since it is smaller than the sum of its proper divisors (125339344).

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

103220432 is an equidigital number, since it uses as much as digits as its factorization.

103220432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921626 (or 921620 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 103220432 is about 10159.7456661080. The cubic root of 103220432 is about 469.0889731379.

Adding to 103220432 its reverse (234022301), we get a palindrome (337242733).

The spelling of 103220432 in words is "one hundred three million, two hundred twenty thousand, four hundred thirty-two".