20734276 has 6 divisors (see below), whose sum is σ = 36284990. Its totient is φ = 10367136.

The previous prime is 20734267. The next prime is 20734277. The reversal of 20734276 is 67243702.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13838400 + 6895876 = 3720^2 + 2626^2 .

It is not an unprimeable number, because it can be changed into a prime (20734277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2591781 + ... + 2591788.

Almost surely, 2^20734276 is an apocalyptic number.

It is an amenable number.

20734276 is a deficient number, since it is larger than the sum of its proper divisors (15550714).

20734276 is a wasteful number, since it uses less digits than its factorization.

20734276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183573 (or 5183571 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 20734276 is about 4553.4905292534. The cubic root of 20734276 is about 274.7238042388.

Adding to 20734276 its reverse (67243702), we get a palindrome (87977978).

The spelling of 20734276 in words is "twenty million, seven hundred thirty-four thousand, two hundred seventy-six".