220387043 has 4 divisors (see below), whose sum is σ = 220865568. Its totient is φ = 219908520.

The previous prime is 220387039. The next prime is 220387049. The reversal of 220387043 is 340783022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220387043 - 2² = 220387039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220386997 and 220387015.

It is not an unprimeable number, because it can be changed into a prime (220387049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238571 + ... + 239492.

It is an arithmetic number, because the mean of its divisors is an integer number (55216392).

Almost surely, 2^220387043 is an apocalyptic number.

220387043 is a deficient number, since it is larger than the sum of its proper divisors (478525).

220387043 is an equidigital number, since it uses as much as digits as its factorization.

220387043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478524.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 220387043 is about 14845.4384576543. The cubic root of 220387043 is about 604.0348822376.

The spelling of 220387043 in words is "two hundred twenty million, three hundred eighty-seven thousand, forty-three".