20042110 has 16 divisors (see below), whose sum is σ = 39355632. Its totient is φ = 7288000.

The previous prime is 20042107. The next prime is 20042117. The reversal of 20042110 is 1124002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042117) 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, 90991 + ... + 91210.

It is an arithmetic number, because the mean of its divisors is an integer number (2459727).

Almost surely, 2^20042110 is an apocalyptic number.

20042110 is a deficient number, since it is larger than the sum of its proper divisors (19313522).

20042110 is a wasteful number, since it uses less digits than its factorization.

20042110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182219.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20042110 is about 4476.8415205365. The cubic root of 20042110 is about 271.6321349880.

Adding to 20042110 its reverse (1124002), we get a palindrome (21166112).

It can be divided in two parts, 2004 and 2110, that added together give a palindrome (4114).

The spelling of 20042110 in words is "twenty million, forty-two thousand, one hundred ten".