20288463675 has 12 divisors (see below), whose sum is σ = 33543593400. Its totient is φ = 10820513920.

The previous prime is 20288463661. The next prime is 20288463677. The reversal of 20288463675 is 57636488202.

It is not a de Polignac number, because 20288463675 - 2⁴ = 20288463659 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (20288463677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135256350 + ... + 135256499.

It is an arithmetic number, because the mean of its divisors is an integer number (2795299450).

Almost surely, 2^20288463675 is an apocalyptic number.

20288463675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20288463675 is a deficient number, since it is larger than the sum of its proper divisors (13255129725).

20288463675 is a wasteful number, since it uses less digits than its factorization.

20288463675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270512862 (or 270512857 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 20288463675 in words is "twenty billion, two hundred eighty-eight million, four hundred sixty-three thousand, six hundred seventy-five".