220242142 has 8 divisors (see below), whose sum is σ = 335016432. Its totient is φ = 108570000.

The previous prime is 220242131. The next prime is 220242149. The reversal of 220242142 is 241242022.

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

It is a super-2 number, since 2×220242142² = 97013202225496328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220242149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775359 + ... + 775642.

It is an arithmetic number, because the mean of its divisors is an integer number (41877054).

Almost surely, 2^220242142 is an apocalyptic number.

220242142 is a deficient number, since it is larger than the sum of its proper divisors (114774290).

220242142 is a wasteful number, since it uses less digits than its factorization.

220242142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551074.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 220242142 is about 14840.5573345478. The cubic root of 220242142 is about 603.9024720825.

Adding to 220242142 its reverse (241242022), we get a palindrome (461484164).

It can be divided in two parts, 2202 and 42142, that added together give a palindrome (44344).

The spelling of 220242142 in words is "two hundred twenty million, two hundred forty-two thousand, one hundred forty-two".