23404040302220 has 48 divisors (see below), whose sum is σ = 49439043698688. Its totient is φ = 9306337487040.

The previous prime is 23404040302183. The next prime is 23404040302231. The reversal of 23404040302220 is 2220304040432.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23404040302220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3620249 + ... + 7740431.

It is an arithmetic number, because the mean of its divisors is an integer number (1029980077056).

Almost surely, 2^{23404040302220} is an apocalyptic number.

23404040302220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404040302220 is an abundant number, since it is smaller than the sum of its proper divisors (26035003396468).

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

23404040302220 is a wasteful number, since it uses less digits than its factorization.

23404040302220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121870 (or 4121868 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 23404040302220 its reverse (2220304040432), we get a palindrome (25624344342652).

The spelling of 23404040302220 in words is "twenty-three trillion, four hundred four billion, forty million, three hundred two thousand, two hundred twenty".