1220030450 has 12 divisors (see below), whose sum is σ = 2269256730. Its totient is φ = 488012160.

The previous prime is 1220030411. The next prime is 1220030467. The reversal of 1220030450 is 540300221.

It can be written as a sum of positive squares in 3 ways, for example, as 1108157521 + 111872929 = 33289^2 + 10577^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12200255 + ... + 12200354.

Almost surely, 2^1220030450 is an apocalyptic number.

1220030450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220030450 is a deficient number, since it is larger than the sum of its proper divisors (1049226280).

1220030450 is a wasteful number, since it uses less digits than its factorization.

1220030450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24400621 (or 24400616 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1220030450 is about 34928.9342809081. The cubic root of 1220030450 is about 1068.5386198919.

Adding to 1220030450 its reverse (540300221), we get a palindrome (1760330671).

The spelling of 1220030450 in words is "one billion, two hundred twenty million, thirty thousand, four hundred fifty".