220302243412 has 6 divisors (see below), whose sum is σ = 385528925978. Its totient is φ = 110151121704.

The previous prime is 220302243401. The next prime is 220302243439. The reversal of 220302243412 is 214342203022.

It can be written as a sum of positive squares in only one way, i.e., 143425808656 + 76876434756 = 378716^2 + 277266^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27537780423 + ... + 27537780430.

Almost surely, 2^220302243412 is an apocalyptic number.

It is an amenable number.

220302243412 is a deficient number, since it is larger than the sum of its proper divisors (165226682566).

220302243412 is a wasteful number, since it uses less digits than its factorization.

220302243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55075560857 (or 55075560855 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 220302243412 its reverse (214342203022), we get a palindrome (434644446434).

It can be divided in two parts, 22030224 and 3412, that added together give a square (22033636 = 4694²).

The spelling of 220302243412 in words is "two hundred twenty billion, three hundred two million, two hundred forty-three thousand, four hundred twelve".