20034461 has 8 divisors (see below), whose sum is σ = 20331864. Its totient is φ = 19739200.

The previous prime is 20034451. The next prime is 20034491. The reversal of 20034461 is 16443002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18757561 + 1276900 = 4331^2 + 1130^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20034461 - 2⁶ = 20034397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034451) 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, 29255 + ... + 29931.

It is an arithmetic number, because the mean of its divisors is an integer number (2541483).

Almost surely, 2^20034461 is an apocalyptic number.

It is an amenable number.

20034461 is a deficient number, since it is larger than the sum of its proper divisors (297403).

20034461 is a wasteful number, since it uses less digits than its factorization.

20034461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20034461 is about 4475.9871536902. The cubic root of 20034461 is about 271.5975747783.

Adding to 20034461 its reverse (16443002), we get a palindrome (36477463).

The spelling of 20034461 in words is "twenty million, thirty-four thousand, four hundred sixty-one".