20234661 has 8 divisors (see below), whose sum is σ = 27849984. Its totient is φ = 13054560.

The previous prime is 20234633. The next prime is 20234701. The reversal of 20234661 is 16643202.

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

It is not a de Polignac number, because 20234661 - 2¹¹ = 20232613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108696 + ... + 108881.

It is an arithmetic number, because the mean of its divisors is an integer number (3481248).

Almost surely, 2^20234661 is an apocalyptic number.

It is an amenable number.

20234661 is a deficient number, since it is larger than the sum of its proper divisors (7615323).

20234661 is a wasteful number, since it uses less digits than its factorization.

20234661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217611.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20234661 is about 4498.2953437941. The cubic root of 20234661 is about 272.4992497805.

Adding to 20234661 its reverse (16643202), we get a palindrome (36877863).

The spelling of 20234661 in words is "twenty million, two hundred thirty-four thousand, six hundred sixty-one".