20286302255 has 4 divisors (see below), whose sum is σ = 24343562712. Its totient is φ = 16229041800.

The previous prime is 20286302251. The next prime is 20286302269. The reversal of 20286302255 is 55220368202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20286302255 - 2² = 20286302251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20286302251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2028630221 + ... + 2028630230.

It is an arithmetic number, because the mean of its divisors is an integer number (6085890678).

Almost surely, 2^20286302255 is an apocalyptic number.

20286302255 is a deficient number, since it is larger than the sum of its proper divisors (4057260457).

20286302255 is an equidigital number, since it uses as much as digits as its factorization.

20286302255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057260456.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20286302255 in words is "twenty billion, two hundred eighty-six million, three hundred two thousand, two hundred fifty-five".