1220023300 has 36 divisors (see below), whose sum is σ = 2658579840. Its totient is φ = 485957920.

The previous prime is 1220023291. The next prime is 1220023319. The reversal of 1220023300 is 33200221.

It is a happy number.

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, 1624 + ... + 49423.

It is an arithmetic number, because the mean of its divisors is an integer number (73849440).

Almost surely, 2^1220023300 is an apocalyptic number.

1220023300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220023300 is an abundant number, since it is smaller than the sum of its proper divisors (1438556540).

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

1220023300 is a wasteful number, since it uses less digits than its factorization.

1220023300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51300 (or 51293 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1220023300 is about 34928.8319300832. The cubic root of 1220023300 is about 1068.5365324943.

Adding to 1220023300 its reverse (33200221), we get a palindrome (1253223521).

The spelling of 1220023300 in words is "one billion, two hundred twenty million, twenty-three thousand, three hundred".