10420455 has 16 divisors (see below), whose sum is σ = 17550720. Its totient is φ = 5264928.

The previous prime is 10420453. The next prime is 10420469. The reversal of 10420455 is 55402401.

10420455 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 10420455 - 2¹ = 10420453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17997 + ... + 18566.

It is an arithmetic number, because the mean of its divisors is an integer number (1096920).

Almost surely, 2^10420455 is an apocalyptic number.

10420455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10420455 is a deficient number, since it is larger than the sum of its proper divisors (7130265).

10420455 is a wasteful number, since it uses less digits than its factorization.

10420455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36590.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 10420455 is about 3228.0729545659. The cubic root of 10420455 is about 218.4215882872.

Adding to 10420455 its reverse (55402401), we get a palindrome (65822856).

The spelling of 10420455 in words is "ten million, four hundred twenty thousand, four hundred fifty-five".