109820442 has 16 divisors (see below), whose sum is σ = 232561152. Its totient is φ = 34453440.

The previous prime is 109820441. The next prime is 109820449. The reversal of 109820442 is 244028901.

It is not an unprimeable number, because it can be changed into a prime (109820441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538234 + ... + 538437.

It is an arithmetic number, because the mean of its divisors is an integer number (14535072).

Almost surely, 2^109820442 is an apocalyptic number.

109820442 is an abundant number, since it is smaller than the sum of its proper divisors (122740710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109820442 is a wasteful number, since it uses less digits than its factorization.

109820442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076693.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 109820442 is about 10479.5248938108. The cubic root of 109820442 is about 478.8811353079.

The spelling of 109820442 in words is "one hundred nine million, eight hundred twenty thousand, four hundred forty-two".