220251834 has 24 divisors (see below), whose sum is σ = 520595712. Its totient is φ = 66742920.

The previous prime is 220251821. The next prime is 220251853. The reversal of 220251834 is 438152022.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220251798 and 220251807.

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 11 ways as a sum of consecutive naturals, for example, 555994 + ... + 556389.

It is an arithmetic number, because the mean of its divisors is an integer number (21691488).

Almost surely, 2^220251834 is an apocalyptic number.

220251834 is an abundant number, since it is smaller than the sum of its proper divisors (300343878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220251834 is a wasteful number, since it uses less digits than its factorization.

220251834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112402 (or 1112399 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 220251834 is about 14840.8838685572. The cubic root of 220251834 is about 603.9113304188.

The spelling of 220251834 in words is "two hundred twenty million, two hundred fifty-one thousand, eight hundred thirty-four".