20223220232012 has 24 divisors (see below), whose sum is σ = 40446646813440. Its totient is φ = 8667050167440.

The previous prime is 20223220231999. The next prime is 20223220232053. The reversal of 20223220232012 is 21023202232202.

It is a super-2 number, since 2×20223220232012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4077587 + ... + 7554677.

It is an arithmetic number, because the mean of its divisors is an integer number (1685276950560).

Almost surely, 2^{20223220232012} is an apocalyptic number.

It is an amenable number.

20223220232012 is an abundant number, since it is smaller than the sum of its proper divisors (20223426581428).

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

20223220232012 is a wasteful number, since it uses less digits than its factorization.

20223220232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684821 (or 3684819 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20223220232012 its reverse (21023202232202), we get a palindrome (41246422464214).

The spelling of 20223220232012 in words is "twenty trillion, two hundred twenty-three billion, two hundred twenty million, two hundred thirty-two thousand, twelve".