220427051 has 4 divisors (see below), whose sum is σ = 237382992. Its totient is φ = 203471112.

The previous prime is 220427047. The next prime is 220427069. The reversal of 220427051 is 150724022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150724022 = 2 ⋅75362011.

It is not a de Polignac number, because 220427051 - 2² = 220427047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220427021) 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, 8477951 + ... + 8477976.

It is an arithmetic number, because the mean of its divisors is an integer number (59345748).

Almost surely, 2^220427051 is an apocalyptic number.

220427051 is a deficient number, since it is larger than the sum of its proper divisors (16955941).

220427051 is a wasteful number, since it uses less digits than its factorization.

220427051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16955940.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 220427051 is about 14846.7858811259. The cubic root of 220427051 is about 604.0714312183.

The spelling of 220427051 in words is "two hundred twenty million, four hundred twenty-seven thousand, fifty-one".