20277316 has 12 divisors (see below), whose sum is σ = 35985600. Its totient is φ = 9995720.

The previous prime is 20277287. The next prime is 20277319. The reversal of 20277316 is 61377202.

It is a super-2 number, since 2×20277316² = 822339088327712, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 35416 + ... + 35983.

It is an arithmetic number, because the mean of its divisors is an integer number (2998800).

Almost surely, 2^20277316 is an apocalyptic number.

It is an amenable number.

20277316 is a deficient number, since it is larger than the sum of its proper divisors (15708284).

20277316 is a wasteful number, since it uses less digits than its factorization.

20277316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71474 (or 71472 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 20277316 is about 4503.0340882565. The cubic root of 20277316 is about 272.6905930334.

The spelling of 20277316 in words is "twenty million, two hundred seventy-seven thousand, three hundred sixteen".