20277014 has 12 divisors (see below), whose sum is σ = 30949044. Its totient is φ = 9961512.

The previous prime is 20277011. The next prime is 20277029. The reversal of 20277014 is 41077202.

20277014 = 2250² + 2251² + ... + 2253².

It is a super-2 number, since 2×20277014² = 822314593512392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20277011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51932 + ... + 52320.

It is an arithmetic number, because the mean of its divisors is an integer number (2579087).

Almost surely, 2^20277014 is an apocalyptic number.

20277014 is a deficient number, since it is larger than the sum of its proper divisors (10672030).

20277014 is an frugal number, since it uses more digits than its factorization.

20277014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 20277014 is about 4503.0005551854. Note that the first 3 decimals coincide. The cubic root of 20277014 is about 272.6892392552.

The spelling of 20277014 in words is "twenty million, two hundred seventy-seven thousand, fourteen".