220021342 has 8 divisors (see below), whose sum is σ = 330300000. Its totient is φ = 109921344.

The previous prime is 220021337. The next prime is 220021397. The reversal of 220021342 is 243120022.

220021342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 41542 + ... + 46537.

It is an arithmetic number, because the mean of its divisors is an integer number (41287500).

Almost surely, 2^220021342 is an apocalyptic number.

220021342 is a deficient number, since it is larger than the sum of its proper divisors (110278658).

220021342 is a wasteful number, since it uses less digits than its factorization.

220021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89330.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220021342 is about 14833.1163954174. The cubic root of 220021342 is about 603.7005938993.

Adding to 220021342 its reverse (243120022), we get a palindrome (463141364).

The spelling of 220021342 in words is "two hundred twenty million, twenty-one thousand, three hundred forty-two".