20277314 has 4 divisors (see below), whose sum is σ = 30415974. Its totient is φ = 10138656.

The previous prime is 20277287. The next prime is 20277319. The reversal of 20277314 is 41377202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17098225 + 3179089 = 4135^2 + 1783^2 .

It is a super-2 number, since 2×20277314² = 822338926109192, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20277319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069327 + ... + 5069330.

Almost surely, 2^20277314 is an apocalyptic number.

20277314 is a deficient number, since it is larger than the sum of its proper divisors (10138660).

20277314 is a wasteful number, since it uses less digits than its factorization.

20277314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10138659.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 20277314 is about 4503.0338661840. The cubic root of 20277314 is about 272.6905840680.

The spelling of 20277314 in words is "twenty million, two hundred seventy-seven thousand, three hundred fourteen".