20276650 has 24 divisors (see below), whose sum is σ = 38595744. Its totient is φ = 7921200.

The previous prime is 20276621. The next prime is 20276657. The reversal of 20276650 is 5667202.

It is a super-2 number, since 2×20276650² = 822285070445000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20276657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2566 + ... + 6865.

It is an arithmetic number, because the mean of its divisors is an integer number (1608156).

Almost surely, 2^20276650 is an apocalyptic number.

20276650 is a deficient number, since it is larger than the sum of its proper divisors (18319094).

20276650 is a wasteful number, since it uses less digits than its factorization.

20276650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486 (or 9481 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20276650 is about 4502.9601375095. The cubic root of 20276650 is about 272.6876075311.

The spelling of 20276650 in words is "twenty million, two hundred seventy-six thousand, six hundred fifty".