20750274 has 12 divisors (see below), whose sum is σ = 44958966. Its totient is φ = 6916752.

The previous prime is 20750273. The next prime is 20750287. The reversal of 20750274 is 47205702.

It can be written as a sum of positive squares in only one way, i.e., 19740249 + 1010025 = 4443^2 + 1005^2 .

It is not an unprimeable number, because it can be changed into a prime (20750273) 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, 576379 + ... + 576414.

Almost surely, 2^20750274 is an apocalyptic number.

20750274 is an abundant number, since it is smaller than the sum of its proper divisors (24208692).

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

20750274 is a wasteful number, since it uses less digits than its factorization.

20750274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152801 (or 1152798 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 20750274 is about 4555.2468648801. The cubic root of 20750274 is about 274.7944425311.

Adding to 20750274 its reverse (47205702), we get a palindrome (67955976).

The spelling of 20750274 in words is "twenty million, seven hundred fifty thousand, two hundred seventy-four".