23220220052 has 12 divisors (see below), whose sum is σ = 40668403776. Its totient is φ = 11600676120.

The previous prime is 23220220033. The next prime is 23220220081. The reversal of 23220220052 is 25002202232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2352938 + ... + 2362785.

It is an arithmetic number, because the mean of its divisors is an integer number (3389033648).

Almost surely, 2^23220220052 is an apocalyptic number.

It is an amenable number.

23220220052 is a deficient number, since it is larger than the sum of its proper divisors (17448183724).

23220220052 is a wasteful number, since it uses less digits than its factorization.

23220220052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716958 (or 4716956 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 23220220052 its reverse (25002202232), we get a palindrome (48222422284).

The spelling of 23220220052 in words is "twenty-three billion, two hundred twenty million, two hundred twenty thousand, fifty-two".