1220011204 has 48 divisors (see below), whose sum is σ = 2301364800. Its totient is φ = 564160896.

The previous prime is 1220011193. The next prime is 1220011267. The reversal of 1220011204 is 4021100221.

It is a happy number.

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, 703122 + ... + 704854.

It is an arithmetic number, because the mean of its divisors is an integer number (47945100).

Almost surely, 2^1220011204 is an apocalyptic number.

It is an amenable number.

1220011204 is a deficient number, since it is larger than the sum of its proper divisors (1081353596).

1220011204 is a wasteful number, since it uses less digits than its factorization.

1220011204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1220011204 is about 34928.6587775712. The cubic root of 1220011204 is about 1068.5330011244.

Adding to 1220011204 its reverse (4021100221), we get a palindrome (5241111425).

The spelling of 1220011204 in words is "one billion, two hundred twenty million, eleven thousand, two hundred four".