103133220 has 48 divisors (see below), whose sum is σ = 305762688. Its totient is φ = 25884160.

The previous prime is 103133209. The next prime is 103133231. The reversal of 103133220 is 22331301.

It is an interprime number because it is at equal distance from previous prime (103133209) and next prime (103133231).

It is a super-2 number, since 2×103133220² = 21272922135136800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103133220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49536 + ... + 51575.

It is an arithmetic number, because the mean of its divisors is an integer number (6370056).

Almost surely, 2^103133220 is an apocalyptic number.

103133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103133220 is an abundant number, since it is smaller than the sum of its proper divisors (202629468).

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

103133220 is a wasteful number, since it uses less digits than its factorization.

103133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101140 (or 101138 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 103133220 is about 10155.4527225525. The cubic root of 103133220 is about 468.9568232203.

Adding to 103133220 its reverse (22331301), we get a palindrome (125464521).

The spelling of 103133220 in words is "one hundred three million, one hundred thirty-three thousand, two hundred twenty".