23220213202 has 4 divisors (see below), whose sum is σ = 34830319806. Its totient is φ = 11610106600.

The previous prime is 23220213199. The next prime is 23220213221. The reversal of 23220213202 is 20231202232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13832347321 + 9387865881 = 117611^2 + 96891^2 .

It is a super-2 number, since 2×23220213202² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23220213202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805053299 + ... + 5805053302.

Almost surely, 2^23220213202 is an apocalyptic number.

23220213202 is a deficient number, since it is larger than the sum of its proper divisors (11610106604).

23220213202 is a wasteful number, since it uses less digits than its factorization.

23220213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610106603.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23220213202 its reverse (20231202232), we get a palindrome (43451415434).

The spelling of 23220213202 in words is "twenty-three billion, two hundred twenty million, two hundred thirteen thousand, two hundred two".