20276955 has 12 divisors (see below), whose sum is σ = 35146800. Its totient is φ = 10814352.

The previous prime is 20276923. The next prime is 20276969. The reversal of 20276955 is 55967202.

It is not a de Polignac number, because 20276955 - 2⁵ = 20276923 is a prime.

It is a super-2 number, since 2×20276955² = 822309808144050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225255 + ... + 225344.

It is an arithmetic number, because the mean of its divisors is an integer number (2928900).

Almost surely, 2^20276955 is an apocalyptic number.

20276955 is a deficient number, since it is larger than the sum of its proper divisors (14869845).

20276955 is a wasteful number, since it uses less digits than its factorization.

20276955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450610 (or 450607 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 20276955 is about 4502.9940039933. The cubic root of 20276955 is about 272.6889747737.

The spelling of 20276955 in words is "twenty million, two hundred seventy-six thousand, nine hundred fifty-five".