220021220134 has 8 divisors (see below), whose sum is σ = 340678018368. Its totient is φ = 106461880680.

The previous prime is 220021220113. The next prime is 220021220171. The reversal of 220021220134 is 431022120022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774364617 + ... + 1774364740.

It is an arithmetic number, because the mean of its divisors is an integer number (42584752296).

Almost surely, 2^220021220134 is an apocalyptic number.

220021220134 is a deficient number, since it is larger than the sum of its proper divisors (120656798234).

220021220134 is a wasteful number, since it uses less digits than its factorization.

220021220134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548729390.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 220021220134 its reverse (431022120022), we get a palindrome (651043340156).

The spelling of 220021220134 in words is "two hundred twenty billion, twenty-one million, two hundred twenty thousand, one hundred thirty-four".