20314749 has 16 divisors (see below), whose sum is σ = 33337472. Its totient is φ = 10715328.

The previous prime is 20314687. The next prime is 20314751. The reversal of 20314749 is 94741302.

It is a happy number.

It is not a de Polignac number, because 20314749 - 2⁹ = 20314237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20314759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36934 + ... + 37479.

It is an arithmetic number, because the mean of its divisors is an integer number (2083592).

Almost surely, 2^20314749 is an apocalyptic number.

It is an amenable number.

20314749 is a deficient number, since it is larger than the sum of its proper divisors (13022723).

20314749 is a wasteful number, since it uses less digits than its factorization.

20314749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74436.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20314749 is about 4507.1885915724. The cubic root of 20314749 is about 272.8582903120.

The spelling of 20314749 in words is "twenty million, three hundred fourteen thousand, seven hundred forty-nine".