23520220304 has 60 divisors (see below), whose sum is σ = 54720569088. Its totient is φ = 9754920000.

The previous prime is 23520220303. The next prime is 23520220393. The reversal of 23520220304 is 40302202532.

It is a self number, because there is not a number n which added to its sum of digits gives 23520220304.

It is not an unprimeable number, because it can be changed into a prime (23520220303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459572 + ... + 508179.

Almost surely, 2^23520220304 is an apocalyptic number.

It is an amenable number.

23520220304 is an abundant number, since it is smaller than the sum of its proper divisors (31200348784).

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

23520220304 is a wasteful number, since it uses less digits than its factorization.

23520220304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967804 (or 967791 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 23520220304 its reverse (40302202532), we get a palindrome (63822422836).

The spelling of 23520220304 in words is "twenty-three billion, five hundred twenty million, two hundred twenty thousand, three hundred four".