20276361 has 12 divisors (see below), whose sum is σ = 33472192. Its totient is φ = 11586456.

The previous prime is 20276351. The next prime is 20276419. The reversal of 20276361 is 16367202.

It is a happy number.

20276361 is a `hidden beast` number, since 2 + 0 + 27 + 636 + 1 = 666.

It is not a de Polignac number, because 20276361 - 2⁶ = 20276297 is a prime.

It is a super-2 number, since 2×20276361² = 822261630804642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20276351) 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 11 ways as a sum of consecutive naturals, for example, 160861 + ... + 160986.

Almost surely, 2^20276361 is an apocalyptic number.

20276361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20276361 is a deficient number, since it is larger than the sum of its proper divisors (13195831).

20276361 is a wasteful number, since it uses less digits than its factorization.

20276361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321860 (or 321857 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20276361 is about 4502.9280473932. The cubic root of 20276361 is about 272.6863120000.

The spelling of 20276361 in words is "twenty million, two hundred seventy-six thousand, three hundred sixty-one".