20914722 has 12 divisors (see below), whose sum is σ = 45315270. Its totient is φ = 6971568.

The previous prime is 20914721. The next prime is 20914753. The reversal of 20914722 is 22741902.

It can be written as a sum of positive squares in only one way, i.e., 14907321 + 6007401 = 3861^2 + 2451^2 .

It is not an unprimeable number, because it can be changed into a prime (20914721) 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 5 ways as a sum of consecutive naturals, for example, 580947 + ... + 580982.

Almost surely, 2^20914722 is an apocalyptic number.

20914722 is an abundant number, since it is smaller than the sum of its proper divisors (24400548).

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

20914722 is a wasteful number, since it uses less digits than its factorization.

20914722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161937 (or 1161934 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 20914722 is about 4573.2616369502. The cubic root of 20914722 is about 275.5184577495.

The spelling of 20914722 in words is "twenty million, nine hundred fourteen thousand, seven hundred twenty-two".