20140500 has 96 divisors (see below), whose sum is σ = 60802560. Its totient is φ = 5174400.

The previous prime is 20140493. The next prime is 20140559. The reversal of 20140500 is 504102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43269 + ... + 43731.

It is an arithmetic number, because the mean of its divisors is an integer number (633360).

Almost surely, 2^20140500 is an apocalyptic number.

20140500 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 20140500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30401280).

20140500 is an abundant number, since it is smaller than the sum of its proper divisors (40662060).

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

20140500 is a wasteful number, since it uses less digits than its factorization.

20140500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 20140500 is about 4487.8168411824. The cubic root of 20140500 is about 272.0759051421.

Adding to 20140500 its reverse (504102), we get a palindrome (20644602).

The spelling of 20140500 in words is "twenty million, one hundred forty thousand, five hundred".