220402370 has 16 divisors (see below), whose sum is σ = 396906048. Its totient is φ = 88120560.

The previous prime is 220402363. The next prime is 220402373. The reversal of 220402370 is 73204022.

It is a happy number.

220402370 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220402373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28457 + ... + 35363.

It is an arithmetic number, because the mean of its divisors is an integer number (24806628).

Almost surely, 2^220402370 is an apocalyptic number.

220402370 is a deficient number, since it is larger than the sum of its proper divisors (176503678).

220402370 is a wasteful number, since it uses less digits than its factorization.

220402370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 220402370 is about 14845.9546678548. The cubic root of 220402370 is about 604.0488846156.

Adding to 220402370 its reverse (73204022), we get a palindrome (293606392).

The spelling of 220402370 in words is "two hundred twenty million, four hundred two thousand, three hundred seventy".