23420402010 has 24 divisors (see below), whose sum is σ = 60893045460. Its totient is φ = 6245440512.

The previous prime is 23420401999. The next prime is 23420402011. The reversal of 23420402010 is 1020402432.

23420402010 is a `hidden beast` number, since 2 + 3 + 420 + 40 + 201 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23277910041 + 142491969 = 152571^2 + 11937^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23420402011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130113255 + ... + 130113434.

Almost surely, 2^23420402010 is an apocalyptic number.

23420402010 is an abundant number, since it is smaller than the sum of its proper divisors (37472643450).

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

23420402010 is a wasteful number, since it uses less digits than its factorization.

23420402010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260226702 (or 260226699 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 23420402010 its reverse (1020402432), we get a palindrome (24440804442).

The spelling of 23420402010 in words is "twenty-three billion, four hundred twenty million, four hundred two thousand, ten".