20741234 has 4 divisors (see below), whose sum is σ = 31111854. Its totient is φ = 10370616.

The previous prime is 20741197. The next prime is 20741243. The reversal of 20741234 is 43214702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19829209 + 912025 = 4453^2 + 955^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5185307 + ... + 5185310.

Almost surely, 2^20741234 is an apocalyptic number.

20741234 is a deficient number, since it is larger than the sum of its proper divisors (10370620).

20741234 is a wasteful number, since it uses less digits than its factorization.

20741234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370619.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20741234 is about 4554.2544944261. The cubic root of 20741234 is about 274.7545313699.

Adding to 20741234 its reverse (43214702), we get a palindrome (63955936).

The spelling of 20741234 in words is "twenty million, seven hundred forty-one thousand, two hundred thirty-four".