1030442220 has 36 divisors (see below), whose sum is σ = 3125675280. Its totient is φ = 274784544.

The previous prime is 1030442183. The next prime is 1030442243. The reversal of 1030442220 is 222440301.

1030442220 is a `hidden beast` number, since 1 + 0 + 3 + 0 + 442 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1030442220² = 2123622337517056800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1030442193 and 1030442202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2862160 + ... + 2862519.

Almost surely, 2^1030442220 is an apocalyptic number.

1030442220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030442220 is an abundant number, since it is smaller than the sum of its proper divisors (2095233060).

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

1030442220 is a wasteful number, since it uses less digits than its factorization.

1030442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724694 (or 5724689 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1030442220 is about 32100.5018652357. The cubic root of 1030442220 is about 1010.0461436945.

Adding to 1030442220 its reverse (222440301), we get a palindrome (1252882521).

The spelling of 1030442220 in words is "one billion, thirty million, four hundred forty-two thousand, two hundred twenty".