2220420455 has 32 divisors (see below), whose sum is σ = 3024933120. Its totient is φ = 1550465280.

The previous prime is 2220420407. The next prime is 2220420457. The reversal of 2220420455 is 5540240222.

2220420455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220420455 - 2¹⁰ = 2220419431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220420457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131579 + ... + 147491.

It is an arithmetic number, because the mean of its divisors is an integer number (94529160).

Almost surely, 2^2220420455 is an apocalyptic number.

2220420455 is a deficient number, since it is larger than the sum of its proper divisors (804512665).

2220420455 is a wasteful number, since it uses less digits than its factorization.

2220420455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16031.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2220420455 is about 47121.3375765162. The cubic root of 2220420455 is about 1304.6031010187.

Adding to 2220420455 its reverse (5540240222), we get a palindrome (7760660677).

The spelling of 2220420455 in words is "two billion, two hundred twenty million, four hundred twenty thousand, four hundred fifty-five".