220134998 has 16 divisors (see below), whose sum is σ = 342150480. Its totient is φ = 106097376.

The previous prime is 220134997. The next prime is 220135021. The reversal of 220134998 is 899431022.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220134991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36836 + ... + 42392.

It is an arithmetic number, because the mean of its divisors is an integer number (21384405).

Almost surely, 2^220134998 is an apocalyptic number.

220134998 is a deficient number, since it is larger than the sum of its proper divisors (122015482).

220134998 is a wasteful number, since it uses less digits than its factorization.

220134998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 220134998 is about 14836.9470579361. The cubic root of 220134998 is about 603.8045268221.

The spelling of 220134998 in words is "two hundred twenty million, one hundred thirty-four thousand, nine hundred ninety-eight".