1220210030 has 64 divisors (see below), whose sum is σ = 2505420288. Its totient is φ = 424448640.

The previous prime is 1220210029. The next prime is 1220210051. The reversal of 1220210030 is 300120221.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220209993 and 1220210020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197285 + ... + 203375.

It is an arithmetic number, because the mean of its divisors is an integer number (39147192).

Almost surely, 2^1220210030 is an apocalyptic number.

1220210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220210030 is an abundant number, since it is smaller than the sum of its proper divisors (1285210258).

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

1220210030 is a wasteful number, since it uses less digits than its factorization.

1220210030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1220210030 is about 34931.5048344614. The cubic root of 1220210030 is about 1068.5910444718.

Adding to 1220210030 its reverse (300120221), we get a palindrome (1520330251).

The spelling of 1220210030 in words is "one billion, two hundred twenty million, two hundred ten thousand, thirty".