20260851 has 8 divisors (see below), whose sum is σ = 29092560. Its totient is φ = 12468192.

The previous prime is 20260837. The next prime is 20260873. The reversal of 20260851 is 15806202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20260851 - 2¹⁷ = 20129779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20260351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259716 + ... + 259793.

It is an arithmetic number, because the mean of its divisors is an integer number (3636570).

Almost surely, 2^20260851 is an apocalyptic number.

20260851 is a deficient number, since it is larger than the sum of its proper divisors (8831709).

20260851 is a wasteful number, since it uses less digits than its factorization.

20260851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519525.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 20260851 is about 4501.2055051952. The cubic root of 20260851 is about 272.6167656031.

The spelling of 20260851 in words is "twenty million, two hundred sixty thousand, eight hundred fifty-one".