220746151 has 4 divisors (see below), whose sum is σ = 220817304. Its totient is φ = 220675000.

The previous prime is 220746131. The next prime is 220746179. The reversal of 220746151 is 151647022.

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 220746151 - 2⁷ = 220746023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220746131) 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 3 ways as a sum of consecutive naturals, for example, 30700 + ... + 37201.

It is an arithmetic number, because the mean of its divisors is an integer number (55204326).

Almost surely, 2^220746151 is an apocalyptic number.

220746151 is a deficient number, since it is larger than the sum of its proper divisors (71153).

220746151 is an equidigital number, since it uses as much as digits as its factorization.

220746151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71152.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 220746151 is about 14857.5284283760. The cubic root of 220746151 is about 604.3627842260.

The spelling of 220746151 in words is "two hundred twenty million, seven hundred forty-six thousand, one hundred fifty-one".