220403463 has 8 divisors (see below), whose sum is σ = 335852928. Its totient is φ = 125944824.

The previous prime is 220403461. The next prime is 220403471. The reversal of 220403463 is 364304022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220403463 - 2¹ = 220403461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220403461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5247681 + ... + 5247722.

It is an arithmetic number, because the mean of its divisors is an integer number (41981616).

Almost surely, 2^220403463 is an apocalyptic number.

220403463 is a deficient number, since it is larger than the sum of its proper divisors (115449465).

220403463 is a wasteful number, since it uses less digits than its factorization.

220403463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495413.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 220403463 is about 14845.9914791839. The cubic root of 220403463 is about 604.0498831292.

Adding to 220403463 its reverse (364304022), we get a palindrome (584707485).

The spelling of 220403463 in words is "two hundred twenty million, four hundred three thousand, four hundred sixty-three".