220140557 has 8 divisors (see below), whose sum is σ = 270942336. Its totient is φ = 174177072.

The previous prime is 220140551. The next prime is 220140559. The reversal of 220140557 is 755041022.

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

It is a cyclic number.

It is not a de Polignac number, because 220140557 - 2⁸ = 220140301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220140551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1209473 + ... + 1209654.

It is an arithmetic number, because the mean of its divisors is an integer number (33867792).

Almost surely, 2^220140557 is an apocalyptic number.

It is an amenable number.

220140557 is a deficient number, since it is larger than the sum of its proper divisors (50801779).

220140557 is a wasteful number, since it uses less digits than its factorization.

220140557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419147.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 220140557 is about 14837.1343931367. The cubic root of 220140557 is about 603.8096093414.

Adding to 220140557 its reverse (755041022), we get a palindrome (975181579).

The spelling of 220140557 in words is "two hundred twenty million, one hundred forty thousand, five hundred fifty-seven".