1320632004 has 12 divisors (see below), whose sum is σ = 3081474704. Its totient is φ = 440210664.

The previous prime is 1320631999. The next prime is 1320632057. The reversal of 1320632004 is 4002360231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 55026322 + ... + 55026345.

Almost surely, 2^1320632004 is an apocalyptic number.

It is an amenable number.

1320632004 is an abundant number, since it is smaller than the sum of its proper divisors (1760842700).

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

1320632004 is a wasteful number, since it uses less digits than its factorization.

1320632004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110052674 (or 110052672 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1320632004 is about 36340.5008771206. The cubic root of 1320632004 is about 1097.1363542541.

Adding to 1320632004 its reverse (4002360231), we get a palindrome (5322992235).

The spelling of 1320632004 in words is "one billion, three hundred twenty million, six hundred thirty-two thousand, four".