20754000 has 120 divisors (see below), whose sum is σ = 72549672. Its totient is φ = 5529600.

The previous prime is 20753933. The next prime is 20754001. The reversal of 20754000 is 45702.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69696 + 20684304 = 264^2 + 4548^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20754001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17424 + ... + 18576.

Almost surely, 2^20754000 is an apocalyptic number.

20754000 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 20754000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36274836).

20754000 is an abundant number, since it is smaller than the sum of its proper divisors (51795672).

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

20754000 is a wasteful number, since it uses less digits than its factorization.

20754000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 20754000 is about 4555.6558254548. The cubic root of 20754000 is about 274.8108892668.

Adding to 20754000 its reverse (45702), we get a palindrome (20799702).

The spelling of 20754000 in words is "twenty million, seven hundred fifty-four thousand".