20110110 has 32 divisors (see below), whose sum is σ = 48749472. Its totient is φ = 5308800.

The previous prime is 20110109. The next prime is 20110141. The reversal of 20110110 is 1101102.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289 + ... + 6348.

It is an arithmetic number, because the mean of its divisors is an integer number (1523421).

Almost surely, 2^20110110 is an apocalyptic number.

20110110 is an abundant number, since it is smaller than the sum of its proper divisors (28639362).

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

20110110 is a wasteful number, since it uses less digits than its factorization.

20110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 20110110 is about 4484.4297296312. The cubic root of 20110110 is about 271.9389911468.

Adding to 20110110 its reverse (1101102), we get a palindrome (21211212).

The spelling of 20110110 in words is "twenty million, one hundred ten thousand, one hundred ten".