104020452 has 18 divisors (see below), whose sum is σ = 262940678. Its totient is φ = 34673472.

The previous prime is 104020451. The next prime is 104020453. The reversal of 104020452 is 254020401.

It is an interprime number because it is at equal distance from previous prime (104020451) and next prime (104020453).

It can be written as a sum of positive squares in only one way, i.e., 85821696 + 18198756 = 9264^2 + 4266^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (104020451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1444693 + ... + 1444764.

Almost surely, 2^104020452 is an apocalyptic number.

104020452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104020452 is an abundant number, since it is smaller than the sum of its proper divisors (158920226).

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

104020452 is a wasteful number, since it uses less digits than its factorization.

104020452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889467 (or 2889462 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 104020452 is about 10199.0417196911. The cubic root of 104020452 is about 470.2977621243.

Adding to 104020452 its reverse (254020401), we get a palindrome (358040853).

The spelling of 104020452 in words is "one hundred four million, twenty thousand, four hundred fifty-two".