220746142 has 8 divisors (see below), whose sum is σ = 348546600. Its totient is φ = 104563944.

The previous prime is 220746131. The next prime is 220746179. The reversal of 220746142 is 241647022.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 220746142.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2904517 + ... + 2904592.

It is an arithmetic number, because the mean of its divisors is an integer number (43568325).

Almost surely, 2^220746142 is an apocalyptic number.

220746142 is a deficient number, since it is larger than the sum of its proper divisors (127800458).

220746142 is a wasteful number, since it uses less digits than its factorization.

220746142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809130.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 220746142 is about 14857.5281254992. The cubic root of 220746142 is about 604.3627760126.

The spelling of 220746142 in words is "two hundred twenty million, seven hundred forty-six thousand, one hundred forty-two".