220131542 has 8 divisors (see below), whose sum is σ = 338251032. Its totient is φ = 107381200.

The previous prime is 220131539. The next prime is 220131559. The reversal of 220131542 is 245131022.

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

It is a super-3 number, since 3×220131542³ (a number of 26 digits) contains 333 as substring.

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, 1342184 + ... + 1342347.

It is an arithmetic number, because the mean of its divisors is an integer number (42281379).

Almost surely, 2^220131542 is an apocalyptic number.

220131542 is a deficient number, since it is larger than the sum of its proper divisors (118119490).

220131542 is a wasteful number, since it uses less digits than its factorization.

220131542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684574.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 220131542 is about 14836.8305914707. The cubic root of 220131542 is about 603.8013670044.

Adding to 220131542 its reverse (245131022), we get a palindrome (465262564).

The spelling of 220131542 in words is "two hundred twenty million, one hundred thirty-one thousand, five hundred forty-two".