20286801 has 8 divisors (see below), whose sum is σ = 30054560. Its totient is φ = 13524516.

The previous prime is 20286793. The next prime is 20286811. The reversal of 20286801 is 10868202.

It is not a de Polignac number, because 20286801 - 2³ = 20286793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 751363 = 20286801 / (2 + 0 + 2 + 8 + 6 + 8 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20286811) 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, 375655 + ... + 375708.

It is an arithmetic number, because the mean of its divisors is an integer number (3756820).

Almost surely, 2^20286801 is an apocalyptic number.

It is an amenable number.

20286801 is a deficient number, since it is larger than the sum of its proper divisors (9767759).

20286801 is an equidigital number, since it uses as much as digits as its factorization.

20286801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751372 (or 751366 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 20286801 is about 4504.0871439172. The cubic root of 20286801 is about 272.7331046935.

Subtracting from 20286801 its product of nonzero digits (1536), we obtain a triangular number (20285265 = T₆₃₆₉).

The spelling of 20286801 in words is "twenty million, two hundred eighty-six thousand, eight hundred one".