220120453204 has 6 divisors (see below), whose sum is σ = 385210793114. Its totient is φ = 110060226600.

The previous prime is 220120453139. The next prime is 220120453249. The reversal of 220120453204 is 402354021022.

It can be written as a sum of positive squares in only one way, i.e., 156009200400 + 64111252804 = 394980^2 + 253202^2 .

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, 27515056647 + ... + 27515056654.

Almost surely, 2^220120453204 is an apocalyptic number.

It is an amenable number.

220120453204 is a deficient number, since it is larger than the sum of its proper divisors (165090339910).

220120453204 is a wasteful number, since it uses less digits than its factorization.

220120453204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55030113305 (or 55030113303 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 220120453204 its reverse (402354021022), we get a palindrome (622474474226).

The spelling of 220120453204 in words is "two hundred twenty billion, one hundred twenty million, four hundred fifty-three thousand, two hundred four".