20442114 has 120 divisors (see below), whose sum is σ = 57678192. Its totient is φ = 5186160.

The previous prime is 20442091. The next prime is 20442127. The reversal of 20442114 is 41124402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 475377 + ... + 475419.

Almost surely, 2^20442114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20442114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28839096).

20442114 is an abundant number, since it is smaller than the sum of its proper divisors (37236078).

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

20442114 is a wasteful number, since it uses less digits than its factorization.

20442114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 20442114 is about 4521.2956107735. The cubic root of 20442114 is about 273.4273386091.

Adding to 20442114 its reverse (41124402), we get a palindrome (61566516).

The spelling of 20442114 in words is "twenty million, four hundred forty-two thousand, one hundred fourteen".