20110143040 has 112 divisors (see below), whose sum is σ = 52193147328. Its totient is φ = 7335696384.

The previous prime is 20110143017. The next prime is 20110143043. The reversal of 20110143040 is 4034101102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20110143043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316159 + ... + 374401.

It is an arithmetic number, because the mean of its divisors is an integer number (466010244).

Almost surely, 2^20110143040 is an apocalyptic number.

20110143040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26096573664).

20110143040 is an abundant number, since it is smaller than the sum of its proper divisors (32083004288).

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

20110143040 is a wasteful number, since it uses less digits than its factorization.

20110143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58356 (or 58346 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20110143040 its reverse (4034101102), we get a palindrome (24144244142).

The spelling of 20110143040 in words is "twenty billion, one hundred ten million, one hundred forty-three thousand, forty".