20141020 has 24 divisors (see below), whose sum is σ = 42688800. Its totient is φ = 7981632.

The previous prime is 20141003. The next prime is 20141021. The reversal of 20141020 is 2014102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20140988 and 20141006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20141021) 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, 2440 + ... + 6799.

It is an arithmetic number, because the mean of its divisors is an integer number (1778700).

Almost surely, 2^20141020 is an apocalyptic number.

20141020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20141020 is an abundant number, since it is smaller than the sum of its proper divisors (22547780).

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

20141020 is a wasteful number, since it uses less digits than its factorization.

20141020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357 (or 9355 counting only the distinct ones).

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

The square root of 20141020 is about 4487.8747754366. The cubic root of 20141020 is about 272.0782466638.

20141020 divided by its sum of digits (10) gives a palindrome (2014102).

Adding to 20141020 its reverse (2014102), we get a palindrome (22155122).

The spelling of 20141020 in words is "twenty million, one hundred forty-one thousand, twenty".