23220020212 has 12 divisors (see below), whose sum is σ = 40660716096. Its totient is φ = 11602672760.

The previous prime is 23220020207. The next prime is 23220020273. The reversal of 23220020212 is 21202002232.

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, 1827214 + ... + 1839877.

It is an arithmetic number, because the mean of its divisors is an integer number (3388393008).

Almost surely, 2^23220020212 is an apocalyptic number.

It is an amenable number.

23220020212 is a deficient number, since it is larger than the sum of its proper divisors (17440695884).

23220020212 is a wasteful number, since it uses less digits than its factorization.

23220020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668678 (or 3668676 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 23220020212 its reverse (21202002232), we get a palindrome (44422022444).

The spelling of 23220020212 in words is "twenty-three billion, two hundred twenty million, twenty thousand, two hundred twelve".