220003497 has 48 divisors (see below), whose sum is σ = 378273792. Its totient is φ = 120566880.

The previous prime is 220003471. The next prime is 220003513. The reversal of 220003497 is 794300022.

It is not a de Polignac number, because 220003497 - 2¹² = 219999401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220003497.

It is not an unprimeable number, because it can be changed into a prime (220003097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247588 + ... + 248474.

It is an arithmetic number, because the mean of its divisors is an integer number (7880704).

Almost surely, 2^220003497 is an apocalyptic number.

It is an amenable number.

220003497 is a deficient number, since it is larger than the sum of its proper divisors (158270295).

220003497 is a wasteful number, since it uses less digits than its factorization.

220003497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 220003497 is about 14832.5148575688. The cubic root of 220003497 is about 603.6842722578.

The spelling of 220003497 in words is "two hundred twenty million, three thousand, four hundred ninety-seven".