220198142 has 4 divisors (see below), whose sum is σ = 330297216. Its totient is φ = 110099070.

The previous prime is 220198117. The next prime is 220198157. The reversal of 220198142 is 241891022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55049534 + ... + 55049537.

It is an arithmetic number, because the mean of its divisors is an integer number (82574304).

Almost surely, 2^220198142 is an apocalyptic number.

220198142 is a deficient number, since it is larger than the sum of its proper divisors (110099074).

220198142 is a wasteful number, since it uses less digits than its factorization.

220198142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110099073.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 220198142 is about 14839.0748363906. The cubic root of 220198142 is about 603.8622535027.

The spelling of 220198142 in words is "two hundred twenty million, one hundred ninety-eight thousand, one hundred forty-two".