220341451 has 4 divisors (see below), whose sum is σ = 240372504. Its totient is φ = 200310400.

The previous prime is 220341439. The next prime is 220341463. The reversal of 220341451 is 154143022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (220341439) and next prime (220341463).

It is a cyclic number.

It is not a de Polignac number, because 220341451 - 2¹³ = 220333259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220341431) 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, 10015510 + ... + 10015531.

It is an arithmetic number, because the mean of its divisors is an integer number (60093126).

Almost surely, 2^220341451 is an apocalyptic number.

220341451 is a deficient number, since it is larger than the sum of its proper divisors (20031053).

220341451 is a wasteful number, since it uses less digits than its factorization.

220341451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20031052.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 220341451 is about 14843.9028223712. The cubic root of 220341451 is about 603.9932266466.

Adding to 220341451 its reverse (154143022), we get a palindrome (374484473).

The spelling of 220341451 in words is "two hundred twenty million, three hundred forty-one thousand, four hundred fifty-one".