120220142 has 16 divisors (see below), whose sum is σ = 209471712. Its totient is φ = 50677920.

The previous prime is 120220117. The next prime is 120220153. The reversal of 120220142 is 241022021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69533 + ... + 71240.

It is an arithmetic number, because the mean of its divisors is an integer number (13091982).

Almost surely, 2^120220142 is an apocalyptic number.

120220142 is a deficient number, since it is larger than the sum of its proper divisors (89251570).

120220142 is a wasteful number, since it uses less digits than its factorization.

120220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140843.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 120220142 is about 10964.4946075959. The cubic root of 120220142 is about 493.5438510882.

Adding to 120220142 its reverse (241022021), we get a palindrome (361242163).

The spelling of 120220142 in words is "one hundred twenty million, two hundred twenty thousand, one hundred forty-two".