23220415505242 has 32 divisors (see below), whose sum is σ = 36899597060352. Its totient is φ = 10921296040704.

The previous prime is 23220415505237. The next prime is 23220415505281. The reversal of 23220415505242 is 24250551402232.

It is a super-2 number, since 2×23220415505242² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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, 863102763 + ... + 863129665.

It is an arithmetic number, because the mean of its divisors is an integer number (1153112408136).

Almost surely, 2^{23220415505242} is an apocalyptic number.

23220415505242 is a deficient number, since it is larger than the sum of its proper divisors (13679181555110).

23220415505242 is a wasteful number, since it uses less digits than its factorization.

23220415505242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39822.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 23220415505242 its reverse (24250551402232), we get a palindrome (47470966907474).

The spelling of 23220415505242 in words is "twenty-three trillion, two hundred twenty billion, four hundred fifteen million, five hundred five thousand, two hundred forty-two".