20276263 has 32 divisors (see below), whose sum is σ = 25546752. Its totient is φ = 15724800.

The previous prime is 20276233. The next prime is 20276281. The reversal of 20276263 is 36267202.

It is not a de Polignac number, because 20276263 - 2⁵ = 20276231 is a prime.

It is a super-2 number, since 2×20276263² = 822253682490338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20276203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382545 + ... + 382597.

It is an arithmetic number, because the mean of its divisors is an integer number (798336).

Almost surely, 2^20276263 is an apocalyptic number.

20276263 is a deficient number, since it is larger than the sum of its proper divisors (5270489).

20276263 is a wasteful number, since it uses less digits than its factorization.

20276263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 20276263 is about 4502.9171655717. The cubic root of 20276263 is about 272.6858726821.

The spelling of 20276263 in words is "twenty million, two hundred seventy-six thousand, two hundred sixty-three".