1220536105604 has 6 divisors (see below), whose sum is σ = 2135938184814. Its totient is φ = 610268052800.

The previous prime is 1220536105571. The next prime is 1220536105661. The reversal of 1220536105604 is 4065016350221.

It can be written as a sum of positive squares in only one way, i.e., 1101559400704 + 118976704900 = 1049552^2 + 344930^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152567013197 + ... + 152567013204.

It is an arithmetic number, because the mean of its divisors is an integer number (355989697469).

Almost surely, 2^{1220536105604} is an apocalyptic number.

It is an amenable number.

1220536105604 is a deficient number, since it is larger than the sum of its proper divisors (915402079210).

1220536105604 is a wasteful number, since it uses less digits than its factorization.

1220536105604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305134026405 (or 305134026403 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1220536105604 in words is "one trillion, two hundred twenty billion, five hundred thirty-six million, one hundred five thousand, six hundred four".