1220340004 has 12 divisors (see below), whose sum is σ = 2299871644. Its totient is φ = 563233824.

The previous prime is 1220339987. The next prime is 1220340047. The reversal of 1220340004 is 4000430221.

It can be written as a sum of positive squares in 2 ways, for example, as 218744100 + 1001595904 = 14790^2 + 31648^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1220340004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11733987 + ... + 11734090.

Almost surely, 2^1220340004 is an apocalyptic number.

It is an amenable number.

1220340004 is a deficient number, since it is larger than the sum of its proper divisors (1079531640).

1220340004 is a wasteful number, since it uses less digits than its factorization.

1220340004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23468094 (or 23468092 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1220340004 is about 34933.3651971865. The cubic root of 1220340004 is about 1068.6289844214.

Adding to 1220340004 its reverse (4000430221), we get a palindrome (5220770225).

The spelling of 1220340004 in words is "one billion, two hundred twenty million, three hundred forty thousand, four".