23420042202 has 32 divisors (see below), whose sum is σ = 47170252800. Its totient is φ = 7751800880.

The previous prime is 23420042183. The next prime is 23420042203. The reversal of 23420042202 is 20224002432.

It is a super-2 number, since 2×23420042202² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23420042203) 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 15 ways as a sum of consecutive naturals, for example, 627049 + ... + 663347.

It is an arithmetic number, because the mean of its divisors is an integer number (1474070400).

Almost surely, 2^23420042202 is an apocalyptic number.

23420042202 is an abundant number, since it is smaller than the sum of its proper divisors (23750210598).

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

23420042202 is a wasteful number, since it uses less digits than its factorization.

23420042202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37058.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 23420042202 its reverse (20224002432), we get a palindrome (43644044634).

The spelling of 23420042202 in words is "twenty-three billion, four hundred twenty million, forty-two thousand, two hundred two".